12-70-5x=21

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Solution for 12-70-5x=21 equation: 


Simplifying
12 + -70 + -5x = 21

Combine like terms: 12 + -70 = -58
-58 + -5x = 21

Solving
-58 + -5x = 21

Solving for variable 'x'.

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

Add '58' to each side of the equation.
-58 + 58 + -5x = 21 + 58

Combine like terms: -58 + 58 = 0
0 + -5x = 21 + 58
-5x = 21 + 58

Combine like terms: 21 + 58 = 79
-5x = 79

Divide each side by '-5'.
x = -15.8

Simplifying
x = -15.8

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