15x-5=7x-9

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


Simplifying
15x + -5 = 7x + -9

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

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

Solving
-5 + 15x = -9 + 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.
-5 + 15x + -7x = -9 + 7x + -7x

Combine like terms: 15x + -7x = 8x
-5 + 8x = -9 + 7x + -7x

Combine like terms: 7x + -7x = 0
-5 + 8x = -9 + 0
-5 + 8x = -9

Add '5' to each side of the equation.
-5 + 5 + 8x = -9 + 5

Combine like terms: -5 + 5 = 0
0 + 8x = -9 + 5
8x = -9 + 5

Combine like terms: -9 + 5 = -4
8x = -4

Divide each side by '8'.
x = -0.5

Simplifying
x = -0.5

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