# Algebra

12 - 5z/4 < 37

12-5z/4 < 37
Subtract 12 from each side.
-5z/4 < 25
Mulitply each side by -4 to cancel out the negative and 4 in the denominator. Switch the inequality symbol because you are multiplying/dividing by a negative number.
5z > -100
Divide each side by 5.
z > -20

1. 👍 0
2. 👎 0
3. 👁 55

## Similar Questions

1. ### math

If the answer is 1-2/3m what is the question> How can you solve equations like these? 9r + 7 = 4r - 8 Need to get the r on one side. 1st- subtract 4r from the right side of the = sign. What you do to one side do to the other.

asked by jenny on November 14, 2006
2. ### math

Jimmy began deriving the quadratic formula as shown. ax² +bx +c = 0 x² +b/ax+c/a=0 x² +b/ax=−c/a x² +b/ax+(b/2a)² =−c/a+(b/2a)² What should Jimmy do next? Subtract x² from each side. Factor the trinomial. Add x² to

asked by Jay on May 24, 2017
3. ### Math

What should Edna do to solve for m in the equation? 65 = m + 29 A) add 29 to each side B) add 29 to the left side C) subtract 29 from the right side D) subtract 29 from each side

asked by David on November 12, 2016
4. ### algerbra

am i correct on this? question: solve and check square of 5x+6 is equal to x work and answer: square each side 5x+6=x^2 subtract 5x-6 on both sides 0=x^2-5x-6 (x+1)(x-6) x+1=0 subtract -1 on each side x= -1 is a reject x-6=0 add 6

asked by Liz on April 22, 2017
5. ### Maths

3x + 1 < -2 subtract one from each side, then divide both sides by three. first you need to look at each side of what ever your looking at and subtract 1 from each number then divide the numbers by 3 I have trouble with math all

asked by Jess on November 9, 2006
6. ### math--pre alg

not sure i did right 3(f+2)+9=13+5f 3f+6+9 = 13+5f +9 3F+15 = 12+5F GOT MIXED UP SOMWERE HELP 3f +6 +9 = 13 + 5f 3f + 15 = 13 + 5f 2f = 2 f = 1 drwls is correct You are doing OK up to this point: 3f + 6 + 9 = 13 + 5f Now combine

asked by david on February 28, 2007
7. ### Math

how would i do 2x+12=5x+8-x????????? 2x+12=5x+8-x This seems to be a continuing question. The idea is to gather the x's on one side, and the constants on the other. Subtract 2x from both sides. subtract 8 from both sides. You

asked by Amber on September 10, 2006
8. ### wut iz 3x+4=2x+7

x+? wut iz 3x+4=2x+7 Last question I answer with wut iz. Subtract 2x from both sides. 3x-2x+4=2x-2x+7 combine terms. x+4=7 subtract 4 from both sides. x+4-4=7-4 combine terms x=3 The idea here is to get the unknowns on one side

asked by Koco123 on January 31, 2007
9. ### Math

if I was doing algebra and it was 3/5a - (-4)=5 would I first subtract 4 from each side since when you subtract a negative you actually add it?

asked by Emily on January 10, 2008
10. ### Math

Solve for X: 4x - 2 +7 = 17 collect like terms on left hand side 4x + 5 = 17 subtract 5 from each side 4x = 12 divide by 4 on each side x = 3

asked by Peggy on February 23, 2007
11. ### Math

3x + 9 = 7x - 11 How do I solve this? You said subtract three x from each side, then all eleven to both side then divide each side by 10? I'm confused...

asked by Beth on October 10, 2016

More Similar Questions