-105+8=x+42

Solution for -105+8=x+42 equation:

Simplifying
-105 + 8 = x + 42

Combine like terms: -105 + 8 = -97
-97 = x + 42

Reorder the terms:
-97 = 42 + x

Solving
-97 = 42 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-97 + -1x = 42 + x + -1x

Combine like terms: x + -1x = 0
-97 + -1x = 42 + 0
-97 + -1x = 42

Add '97' to each side of the equation.
-97 + 97 + -1x = 42 + 97

Combine like terms: -97 + 97 = 0
0 + -1x = 42 + 97
-1x = 42 + 97

Combine like terms: 42 + 97 = 139
-1x = 139

Divide each side by '-1'.
x = -139

Simplifying
x = -139