40-12x=20-11x

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Solution for 40-12x=20-11x equation: 


Simplifying
40 + -12x = 20 + -11x

Solving
40 + -12x = 20 + -11x

Solving for variable 'x'.

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

Add '11x' to each side of the equation.
40 + -12x + 11x = 20 + -11x + 11x

Combine like terms: -12x + 11x = -1x
40 + -1x = 20 + -11x + 11x

Combine like terms: -11x + 11x = 0
40 + -1x = 20 + 0
40 + -1x = 20

Add '-40' to each side of the equation.
40 + -40 + -1x = 20 + -40

Combine like terms: 40 + -40 = 0
0 + -1x = 20 + -40
-1x = 20 + -40

Combine like terms: 20 + -40 = -20
-1x = -20

Divide each side by '-1'.
x = 20

Simplifying
x = 20

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