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Math
how would i do 2x+12=5x+8x????????? 2x+12=5x+8x 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 
math
hi, i need help with solving this equation for "y" 2x+3y=2 2x+3y=2 Get y on one side. Subtract 2x from both sides. 2x2x+3y=22x combine terms. 3y=22x Divide both sides by 3. 3y/3 = (22x)/3 y = ?? how do you get 22x to
asked by Tracy on March 11, 2007 
Algebra
 20> 8 +7a Solve inequalities like you would an equation, EXCEPT if you multiply or divide by a negative number, reverse the inequality sign. Let's look at your problem:  20 > 8 + 7a First subtract 8 from both sides (whatever
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math
how do you solve 9x=6 9x=6 Divide both side by 9. (Remember you can add, subtract, multiply, etc but do to both sides what you do to one.) 9x/9 = 6/9 The 9's divide out on the left leaving x. x = 6/9. I will let you reduce the
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math
can anyone help me with these 3 problems I am trying to check my daughters hoime work it has bee na few years. 1. The sum of n and twenty two, multiplied by three, is 78 2. the product of z and 17 is less than or equal to the
asked by liz on September 15, 2006 
mathpre 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 
Algebra
Could someone check this equation for me please.I have added the steps I have done so far. 7x +9 = 5x5 subtract 5x from both sides and simplify 2x+9=5 subtract 9 from both sides 2x=4 divide by 2 x=2 Thought I had done it right
asked by Geoff on February 12, 2010 
math
If the answer is 12/3m 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.
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PreAlgebra
HOW DO I DO THIS 5x+(20)=60 22x=8 I can only assume this is two different questions. On the first, add 20 to both sides. Then, divide both sides by 5 On the second, subtract two from each side, then, divide both sides by 2
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algebra
I need a step by step explanation on how to add these two equations 2x+3y=1 5x+3y=16 Subtract the first equation from the second. (Subtract left and right sides separately). This gives you 3x = 15 Then divide both sides by 3. x =
asked by Tony on March 20, 2007