9x+7-4x=x+15

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Solution for 9x+7-4x=x+15 equation:


Simplifying
9x + 7 + -4x = x + 15

Reorder the terms:
7 + 9x + -4x = x + 15

Combine like terms: 9x + -4x = 5x
7 + 5x = x + 15

Reorder the terms:
7 + 5x = 15 + x

Solving
7 + 5x = 15 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
7 + 5x + -1x = 15 + x + -1x

Combine like terms: 5x + -1x = 4x
7 + 4x = 15 + x + -1x

Combine like terms: x + -1x = 0
7 + 4x = 15 + 0
7 + 4x = 15

Add '-7' to each side of the equation.
7 + -7 + 4x = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 4x = 15 + -7
4x = 15 + -7

Combine like terms: 15 + -7 = 8
4x = 8

Divide each side by '4'.
x = 2

Simplifying
x = 2

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