5x+7=9x-15

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Solution for 5x+7=9x-15 equation:


Simplifying
5x + 7 = 9x + -15

Reorder the terms:
7 + 5x = 9x + -15

Reorder the terms:
7 + 5x = -15 + 9x

Solving
7 + 5x = -15 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
7 + 5x + -9x = -15 + 9x + -9x

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

Combine like terms: 9x + -9x = 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 = -22
-4x = -22

Divide each side by '-4'.
x = 5.5

Simplifying
x = 5.5

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