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

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


Simplifying
-1x + 7 = -4(x + -7)

Reorder the terms:
7 + -1x = -4(x + -7)

Reorder the terms:
7 + -1x = -4(-7 + x)
7 + -1x = (-7 * -4 + x * -4)
7 + -1x = (28 + -4x)

Solving
7 + -1x = 28 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
7 + -1x + 4x = 28 + -4x + 4x

Combine like terms: -1x + 4x = 3x
7 + 3x = 28 + -4x + 4x

Combine like terms: -4x + 4x = 0
7 + 3x = 28 + 0
7 + 3x = 28

Add '-7' to each side of the equation.
7 + -7 + 3x = 28 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 28 + -7
3x = 28 + -7

Combine like terms: 28 + -7 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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