Question

Math Help Please..

Answer 1

I can work the first one (number 20) for you and you will do the rest, OK?

Answer 2

\[17x-15=12\]\[17x-15\color{red} {+15}=12\color{red} {+15}\]\[17x=27\]\[17x\color{red} {\div 17}=27\color{red} {\div 17}\]\[x=27/17\]

Answer 3

\[17~\color{red} {(27/17)}~-15=12\]\[27-15=12\]\[12=12\]

Answer 4

See how I did it, try to do the rest, if anything wrong we will correct you.

Answer 5

Okay

Answer 6

Tell me what you get for each when you do it....

Answer 7

I still dont quite understand how to do number 21, i dont get it

Answer 8

How to solve this problems.

1) Eliminate x and it's coefficient by itself
2) Divide both sides by the coefficient of x.