15x-9=16x

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Solution for 15x-9=16x equation:


Simplifying
15x + -9 = 16x

Reorder the terms:
-9 + 15x = 16x

Solving
-9 + 15x = 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
-9 + 15x + -16x = 16x + -16x

Combine like terms: 15x + -16x = -1x
-9 + -1x = 16x + -16x

Combine like terms: 16x + -16x = 0
-9 + -1x = 0

Add '9' to each side of the equation.
-9 + 9 + -1x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -1x = 0 + 9
-1x = 0 + 9

Combine like terms: 0 + 9 = 9
-1x = 9

Divide each side by '-1'.
x = -9

Simplifying
x = -9

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