7x+(-2)+x=42

Solution for 7x+(-2)+x=42 equation:

Simplifying
7x + (-2) + x = 42
7x + -2 + x = 42

Reorder the terms:
-2 + 7x + x = 42

Combine like terms: 7x + x = 8x
-2 + 8x = 42

Solving
-2 + 8x = 42

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 8x = 42 + 2

Combine like terms: -2 + 2 = 0
0 + 8x = 42 + 2
8x = 42 + 2

Combine like terms: 42 + 2 = 44
8x = 44

Divide each side by '8'.
x = 5.5

Simplifying
x = 5.5