69-4x=21

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Solution for 69-4x=21 equation: 


Simplifying
69 + -4x = 21

Solving
69 + -4x = 21

Solving for variable 'x'.

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

Add '-69' to each side of the equation.
69 + -69 + -4x = 21 + -69

Combine like terms: 69 + -69 = 0
0 + -4x = 21 + -69
-4x = 21 + -69

Combine like terms: 21 + -69 = -48
-4x = -48

Divide each side by '-4'.
x = 12

Simplifying
x = 12

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