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

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


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

Combine like terms: 28 + -7 = 21
21 = -4(7x + -7)

Reorder the terms:
21 = -4(-7 + 7x)
21 = (-7 * -4 + 7x * -4)
21 = (28 + -28x)

Solving
21 = 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.
21 + 28x = 28 + -28x + 28x

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

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

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

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

Divide each side by '28'.
x = 0.25

Simplifying
x = 0.25

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