6-(-7+x)=42

Solution for 6-(-7+x)=42 equation:

Simplifying
6 + -1(-7 + x) = 42
6 + (-7 * -1 + x * -1) = 42
6 + (7 + -1x) = 42

Combine like terms: 6 + 7 = 13
13 + -1x = 42

Solving
13 + -1x = 42

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-13' to each side of the equation.
13 + -13 + -1x = 42 + -13

Combine like terms: 13 + -13 = 0
0 + -1x = 42 + -13
-1x = 42 + -13

Combine like terms: 42 + -13 = 29
-1x = 29

Divide each side by '-1'.
x = -29

Simplifying
x = -29