-21=-7x-56

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Solution for -21=-7x-56 equation:


Simplifying
-21 = -7x + -56

Reorder the terms:
-21 = -56 + -7x

Solving
-21 = -56 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-21 + 7x = -56 + -7x + 7x

Combine like terms: -7x + 7x = 0
-21 + 7x = -56 + 0
-21 + 7x = -56

Add '21' to each side of the equation.
-21 + 21 + 7x = -56 + 21

Combine like terms: -21 + 21 = 0
0 + 7x = -56 + 21
7x = -56 + 21

Combine like terms: -56 + 21 = -35
7x = -35

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

Simplifying
x = -5

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