Question

Problem 1
4x+8=12
Problem 2
2x+7=15

Answer 1

The answer to the first problem is x=1
The answer to the 2nd problem is x=4
In the first problem, you need to subtract the 8 from both sides of the equation then divide 4 by both sides which makes 4 cancel itself out leaving x and 12 leaving 1.

Answer 2

x=1 ........

x=4 ......