20-4x=40-5x

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Solution for 20-4x=40-5x equation:


Simplifying
20 + -4x = 40 + -5x

Solving
20 + -4x = 40 + -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.
20 + -4x + 5x = 40 + -5x + 5x

Combine like terms: -4x + 5x = 1x
20 + 1x = 40 + -5x + 5x

Combine like terms: -5x + 5x = 0
20 + 1x = 40 + 0
20 + 1x = 40

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

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

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

Divide each side by '1'.
x = 20

Simplifying
x = 20

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