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

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


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

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

Solving
28 + -7x = -28 + -28x

Solving for variable 'x'.

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

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

Combine like terms: -7x + 28x = 21x
28 + 21x = -28 + -28x + 28x

Combine like terms: -28x + 28x = 0
28 + 21x = -28 + 0
28 + 21x = -28

Add '-28' to each side of the equation.
28 + -28 + 21x = -28 + -28

Combine like terms: 28 + -28 = 0
0 + 21x = -28 + -28
21x = -28 + -28

Combine like terms: -28 + -28 = -56
21x = -56

Divide each side by '21'.
x = -2.666666667

Simplifying
x = -2.666666667

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