76-2x=9x+21

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Solution for 76-2x=9x+21 equation:


Simplifying
76 + -2x = 9x + 21

Reorder the terms:
76 + -2x = 21 + 9x

Solving
76 + -2x = 21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
76 + -2x + -9x = 21 + 9x + -9x

Combine like terms: -2x + -9x = -11x
76 + -11x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
76 + -11x = 21 + 0
76 + -11x = 21

Add '-76' to each side of the equation.
76 + -76 + -11x = 21 + -76

Combine like terms: 76 + -76 = 0
0 + -11x = 21 + -76
-11x = 21 + -76

Combine like terms: 21 + -76 = -55
-11x = -55

Divide each side by '-11'.
x = 5

Simplifying
x = 5

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