40-3x=12-10x

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Solution for 40-3x=12-10x equation:


Simplifying
40 + -3x = 12 + -10x

Solving
40 + -3x = 12 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
40 + -3x + 10x = 12 + -10x + 10x

Combine like terms: -3x + 10x = 7x
40 + 7x = 12 + -10x + 10x

Combine like terms: -10x + 10x = 0
40 + 7x = 12 + 0
40 + 7x = 12

Add '-40' to each side of the equation.
40 + -40 + 7x = 12 + -40

Combine like terms: 40 + -40 = 0
0 + 7x = 12 + -40
7x = 12 + -40

Combine like terms: 12 + -40 = -28
7x = -28

Divide each side by '7'.
x = -4

Simplifying
x = -4

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