79-2x=21

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Solution for 79-2x=21 equation: 


Simplifying
79 + -2x = 21

Solving
79 + -2x = 21

Solving for variable 'x'.

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

Add '-79' to each side of the equation.
79 + -79 + -2x = 21 + -79

Combine like terms: 79 + -79 = 0
0 + -2x = 21 + -79
-2x = 21 + -79

Combine like terms: 21 + -79 = -58
-2x = -58

Divide each side by '-2'.
x = 29

Simplifying
x = 29

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