Question

How do you simplify `6 + (x - 5) + 7`?

Answer 1

We can use PEMDAS to solve this;

6 + `(x-5)` +7

solving parenthesis

6 + x -5 +7

x + 6-5 +7

x + 8

equating this to zero we get;

x +8 =0

subtracting 8 from both sides;

x + `(8 -8)` = 0 -8

x = -8