6x-4x+9+5x+7=72

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Solution for 6x-4x+9+5x+7=72 equation:


Simplifying
6x + -4x + 9 + 5x + 7 = 72

Reorder the terms:
9 + 7 + 6x + -4x + 5x = 72

Combine like terms: 9 + 7 = 16
16 + 6x + -4x + 5x = 72

Combine like terms: 6x + -4x = 2x
16 + 2x + 5x = 72

Combine like terms: 2x + 5x = 7x
16 + 7x = 72

Solving
16 + 7x = 72

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 7x = 72 + -16

Combine like terms: 16 + -16 = 0
0 + 7x = 72 + -16
7x = 72 + -16

Combine like terms: 72 + -16 = 56
7x = 56

Divide each side by '7'.
x = 8

Simplifying
x = 8

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