40-2x=3(8-2x)+4

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Solution for 40-2x=3(8-2x)+4 equation: 


Simplifying
40 + -2x = 3(8 + -2x) + 4
40 + -2x = (8 * 3 + -2x * 3) + 4
40 + -2x = (24 + -6x) + 4

Reorder the terms:
40 + -2x = 24 + 4 + -6x

Combine like terms: 24 + 4 = 28
40 + -2x = 28 + -6x

Solving
40 + -2x = 28 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
40 + -2x + 6x = 28 + -6x + 6x

Combine like terms: -2x + 6x = 4x
40 + 4x = 28 + -6x + 6x

Combine like terms: -6x + 6x = 0
40 + 4x = 28 + 0
40 + 4x = 28

Add '-40' to each side of the equation.
40 + -40 + 4x = 28 + -40

Combine like terms: 40 + -40 = 0
0 + 4x = 28 + -40
4x = 28 + -40

Combine like terms: 28 + -40 = -12
4x = -12

Divide each side by '4'.
x = -3

Simplifying
x = -3

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