-21-7x=-70

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Solution for -21-7x=-70 equation: 


Simplifying
-21 + -7x = -70

Solving
-21 + -7x = -70

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 = -70 + 21

Combine like terms: -21 + 21 = 0
0 + -7x = -70 + 21
-7x = -70 + 21

Combine like terms: -70 + 21 = -49
-7x = -49

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

Simplifying
x = 7

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