40-9x=12+5x

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Solution for 40-9x=12+5x equation:


Simplifying
40 + -9x = 12 + 5x

Solving
40 + -9x = 12 + 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.
40 + -9x + -5x = 12 + 5x + -5x

Combine like terms: -9x + -5x = -14x
40 + -14x = 12 + 5x + -5x

Combine like terms: 5x + -5x = 0
40 + -14x = 12 + 0
40 + -14x = 12

Add '-40' to each side of the equation.
40 + -40 + -14x = 12 + -40

Combine like terms: 40 + -40 = 0
0 + -14x = 12 + -40
-14x = 12 + -40

Combine like terms: 12 + -40 = -28
-14x = -28

Divide each side by '-14'.
x = 2

Simplifying
x = 2

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