5x+4x-64=80-7x

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Solution for 5x+4x-64=80-7x equation:


Simplifying
5x + 4x + -64 = 80 + -7x

Reorder the terms:
-64 + 5x + 4x = 80 + -7x

Combine like terms: 5x + 4x = 9x
-64 + 9x = 80 + -7x

Solving
-64 + 9x = 80 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-64 + 9x + 7x = 80 + -7x + 7x

Combine like terms: 9x + 7x = 16x
-64 + 16x = 80 + -7x + 7x

Combine like terms: -7x + 7x = 0
-64 + 16x = 80 + 0
-64 + 16x = 80

Add '64' to each side of the equation.
-64 + 64 + 16x = 80 + 64

Combine like terms: -64 + 64 = 0
0 + 16x = 80 + 64
16x = 80 + 64

Combine like terms: 80 + 64 = 144
16x = 144

Divide each side by '16'.
x = 9

Simplifying
x = 9

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