-7x-7=4x-84

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Solution for -7x-7=4x-84 equation:


Simplifying
-7x + -7 = 4x + -84

Reorder the terms:
-7 + -7x = 4x + -84

Reorder the terms:
-7 + -7x = -84 + 4x

Solving
-7 + -7x = -84 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-7 + -7x + -4x = -84 + 4x + -4x

Combine like terms: -7x + -4x = -11x
-7 + -11x = -84 + 4x + -4x

Combine like terms: 4x + -4x = 0
-7 + -11x = -84 + 0
-7 + -11x = -84

Add '7' to each side of the equation.
-7 + 7 + -11x = -84 + 7

Combine like terms: -7 + 7 = 0
0 + -11x = -84 + 7
-11x = -84 + 7

Combine like terms: -84 + 7 = -77
-11x = -77

Divide each side by '-11'.
x = 7

Simplifying
x = 7

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