40-4x=80-8x

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Solution for 40-4x=80-8x equation:


Simplifying
40 + -4x = 80 + -8x

Solving
40 + -4x = 80 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
40 + -4x + 8x = 80 + -8x + 8x

Combine like terms: -4x + 8x = 4x
40 + 4x = 80 + -8x + 8x

Combine like terms: -8x + 8x = 0
40 + 4x = 80 + 0
40 + 4x = 80

Add '-40' to each side of the equation.
40 + -40 + 4x = 80 + -40

Combine like terms: 40 + -40 = 0
0 + 4x = 80 + -40
4x = 80 + -40

Combine like terms: 80 + -40 = 40
4x = 40

Divide each side by '4'.
x = 10

Simplifying
x = 10

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