Question

Solve: x + 1 = −x + 8

Answer 1

2x=7
x=7/2

Answer 2

We want the variables, x , on one side and the constants on the other.

x + 1 + x = -x + 8 +x
Adding x to both sides

2x +1 = 8
Now we subtract 1 from both sides.

2x = 7
Divide by 2

x = 7/2