-20-7x=40-12x

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Solution for -20-7x=40-12x equation:


Simplifying
-20 + -7x = 40 + -12x

Solving
-20 + -7x = 40 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
-20 + -7x + 12x = 40 + -12x + 12x

Combine like terms: -7x + 12x = 5x
-20 + 5x = 40 + -12x + 12x

Combine like terms: -12x + 12x = 0
-20 + 5x = 40 + 0
-20 + 5x = 40

Add '20' to each side of the equation.
-20 + 20 + 5x = 40 + 20

Combine like terms: -20 + 20 = 0
0 + 5x = 40 + 20
5x = 40 + 20

Combine like terms: 40 + 20 = 60
5x = 60

Divide each side by '5'.
x = 12

Simplifying
x = 12

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