40-4x=x+2x

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Solution for 40-4x=x+2x equation:


Simplifying
40 + -4x = x + 2x

Combine like terms: x + 2x = 3x
40 + -4x = 3x

Solving
40 + -4x = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
40 + -4x + -3x = 3x + -3x

Combine like terms: -4x + -3x = -7x
40 + -7x = 3x + -3x

Combine like terms: 3x + -3x = 0
40 + -7x = 0

Add '-40' to each side of the equation.
40 + -40 + -7x = 0 + -40

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

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

Divide each side by '-7'.
x = 5.714285714

Simplifying
x = 5.714285714

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