7[-(x+1)]=-42

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Solution for 7[-(x+1)]=-42 equation:


Simplifying
7[-1(x + 1)] = -42

Reorder the terms:
7[-1(1 + x)] = -42
7[(1 * -1 + x * -1)] = -42
7[(-1 + -1x)] = -42
[-1 * 7 + -1x * 7] = -42
[-7 + -7x] = -42

Solving
-7 + -7x = -42

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + -7x = -42 + 7

Combine like terms: -7 + 7 = 0
0 + -7x = -42 + 7
-7x = -42 + 7

Combine like terms: -42 + 7 = -35
-7x = -35

Divide each side by '-7'.
x = 5

Simplifying
x = 5

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