9x+12x=64+13x

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Solution for 9x+12x=64+13x equation: 


Simplifying
9x + 12x = 64 + 13x

Combine like terms: 9x + 12x = 21x
21x = 64 + 13x

Solving
21x = 64 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
21x + -13x = 64 + 13x + -13x

Combine like terms: 21x + -13x = 8x
8x = 64 + 13x + -13x

Combine like terms: 13x + -13x = 0
8x = 64 + 0
8x = 64

Divide each side by '8'.
x = 8

Simplifying
x = 8

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