-21-7x=56

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Solution for -21-7x=56 equation: 


Simplifying
-21 + -7x = 56

Solving
-21 + -7x = 56

Solving for variable 'x'.

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

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 = 77
-7x = 77

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

Simplifying
x = -11

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