Question

HELP
Simplify the expression 3x - 2{5x - (x - 7)}

Answer 1

Ok first do the (x-7) bring in the - just outside the parentheses, this makes it -x+7

Answer 2

okay

Answer 3

Second, you should now have 3x-2(5x-x+7) do the math in the parentheses

Answer 4

ok

Answer 5

Now take the -2 inside the parentheses. You should get 3x-8x-14 now do the math and solve

Answer 6

You should have -5x-14

Answer 7

Thanks so much!

Answer 8

You are welcome! If you need another answered ask again and ill do my best to answer

Answer 9

ok can you help me with this

Answer 10

2z^3/5 * 40/z^2

Answer 11

Sure

Answer 12

Gimme a sec to write it out on paper

Answer 13

ok no problem

Answer 14

Ok well first you can simplify the 5 and 40. They go to 1 and 8 i remember this by thinking of the times sign and the ones that point to each other can simplify each other.

Answer 15

Next you multiply the 2z^3 and 8

Answer 16

Now you should have 16z^3/z^2

Answer 17

so thats the final answer?

Answer 18

Next minus the z^2 from 16z^3 and your answer will be 16z

Answer 19

oh ok thanks

Answer 20

You are welcome!