7x-56=21

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Solution for 7x-56=21 equation: 


Simplifying
7x + -56 = 21

Reorder the terms:
-56 + 7x = 21

Solving
-56 + 7x = 21

Solving for variable 'x'.

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

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

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

Combine like terms: 21 + 56 = 77
7x = 77

Divide each side by '7'.
x = 11

Simplifying
x = 11

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