10x+40=5x+12-9x

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Solution for 10x+40=5x+12-9x equation:


Simplifying
10x + 40 = 5x + 12 + -9x

Reorder the terms:
40 + 10x = 5x + 12 + -9x

Reorder the terms:
40 + 10x = 12 + 5x + -9x

Combine like terms: 5x + -9x = -4x
40 + 10x = 12 + -4x

Solving
40 + 10x = 12 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
40 + 10x + 4x = 12 + -4x + 4x

Combine like terms: 10x + 4x = 14x
40 + 14x = 12 + -4x + 4x

Combine like terms: -4x + 4x = 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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