15=9x+5-4x

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Solution for 15=9x+5-4x equation:


Simplifying
15 = 9x + 5 + -4x

Reorder the terms:
15 = 5 + 9x + -4x

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

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

Combine like terms: 5x + -5x = 0
15 + -5x = 5 + 0
15 + -5x = 5

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

Combine like terms: 15 + -15 = 0
0 + -5x = 5 + -15
-5x = 5 + -15

Combine like terms: 5 + -15 = -10
-5x = -10

Divide each side by '-5'.
x = 2

Simplifying
x = 2

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