7x+28=8x+4(7-7x)

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Solution for 7x+28=8x+4(7-7x) equation:


Simplifying
7x + 28 = 8x + 4(7 + -7x)

Reorder the terms:
28 + 7x = 8x + 4(7 + -7x)
28 + 7x = 8x + (7 * 4 + -7x * 4)
28 + 7x = 8x + (28 + -28x)

Reorder the terms:
28 + 7x = 28 + 8x + -28x

Combine like terms: 8x + -28x = -20x
28 + 7x = 28 + -20x

Add '-28' to each side of the equation.
28 + -28 + 7x = 28 + -28 + -20x

Combine like terms: 28 + -28 = 0
0 + 7x = 28 + -28 + -20x
7x = 28 + -28 + -20x

Combine like terms: 28 + -28 = 0
7x = 0 + -20x
7x = -20x

Solving
7x = -20x

Solving for variable 'x'.

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

Add '20x' to each side of the equation.
7x + 20x = -20x + 20x

Combine like terms: 7x + 20x = 27x
27x = -20x + 20x

Combine like terms: -20x + 20x = 0
27x = 0

Divide each side by '27'.
x = 0

Simplifying
x = 0

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