9x+60=21x-12

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Solution for 9x+60=21x-12 equation:


Simplifying
9x + 60 = 21x + -12

Reorder the terms:
60 + 9x = 21x + -12

Reorder the terms:
60 + 9x = -12 + 21x

Solving
60 + 9x = -12 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
60 + 9x + -21x = -12 + 21x + -21x

Combine like terms: 9x + -21x = -12x
60 + -12x = -12 + 21x + -21x

Combine like terms: 21x + -21x = 0
60 + -12x = -12 + 0
60 + -12x = -12

Add '-60' to each side of the equation.
60 + -60 + -12x = -12 + -60

Combine like terms: 60 + -60 = 0
0 + -12x = -12 + -60
-12x = -12 + -60

Combine like terms: -12 + -60 = -72
-12x = -72

Divide each side by '-12'.
x = 6

Simplifying
x = 6

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