4(1+7x)-4=8x-40

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Solution for 4(1+7x)-4=8x-40 equation:


Simplifying
4(1 + 7x) + -4 = 8x + -40
(1 * 4 + 7x * 4) + -4 = 8x + -40
(4 + 28x) + -4 = 8x + -40

Reorder the terms:
4 + -4 + 28x = 8x + -40

Combine like terms: 4 + -4 = 0
0 + 28x = 8x + -40
28x = 8x + -40

Reorder the terms:
28x = -40 + 8x

Solving
28x = -40 + 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.
28x + -8x = -40 + 8x + -8x

Combine like terms: 28x + -8x = 20x
20x = -40 + 8x + -8x

Combine like terms: 8x + -8x = 0
20x = -40 + 0
20x = -40

Divide each side by '20'.
x = -2

Simplifying
x = -2

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