# Pre-algebra

posted by Ashley

-3(2b+4)>4(b+7)

1. Jai

-3(2b+4)>4(b+7)
-6b - 12 > 4b + 28
-10b > 40
b < -4
*note that when dividing both sides of the equation by negative number, the sign changes to its opposite. like here, both sides were divided by -10 and the sign changes from > to <.

hope this helps~ :)

## Similar Questions

1. ### pre-algebra

kk my teach told me to describe and draw things that are about pre-algebra and she told me to write what pre-algebra is... so can anyone help me?
2. ### what does pre-algebra mean??

i have to draw things that have to do with pre algebra but...i don't understand the meaning of it
3. ### pre- algebra(MATH)

I need help with pre-algebra solving equations by multiplying or dividing. Can you help me with this homework for free?
4. ### pre-Algebra

Sorry, struggling through pre-Algebra .. :-( .. How do i figure out 5x = -20 ?
5. ### pre algebra

my grade is 83.17 in pre algebra in college, but the final exam is worth 300 points. If I got a B or B- or a C on the final, what would my grade be overall?
6. ### Pre-Algebra

How do you solve this Pre-Algebra problem: \$1.25x + \$2.25y = \$916 x + y = 560
7. ### Algebra

I have a few questions on my Pre- Algebra Pre- test. I am in 7th grade. Anyone willing to help me for a few questions for 5-10 minutes?
8. ### pre-algebra

I am actually in 6th grade but I really want to learn more about pre algebra. I was given a task to solve the question of y=9x+3*7 and i don't get what to do. Should I graph?
9. ### Pre algebra

I need the answers to unit 2 lesson 13 pre algebra unit test
10. ### Pre-Algebra

Hi has anyone done lesson 10: Geometry Unit Test Essential Algebra Readiness (Pre-Algebra) B Unit 1: Geometry i really need help has anyone done it please if u have please help!!!!

More Similar Questions