7x+2x=5x-6+15

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Solution for 7x+2x=5x-6+15 equation:


Simplifying
7x + 2x = 5x + -6 + 15

Combine like terms: 7x + 2x = 9x
9x = 5x + -6 + 15

Reorder the terms:
9x = -6 + 15 + 5x

Combine like terms: -6 + 15 = 9
9x = 9 + 5x

Solving
9x = 9 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
9x + -5x = 9 + 5x + -5x

Combine like terms: 9x + -5x = 4x
4x = 9 + 5x + -5x

Combine like terms: 5x + -5x = 0
4x = 9 + 0
4x = 9

Divide each side by '4'.
x = 2.25

Simplifying
x = 2.25

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