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

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


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

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

Combine like terms: -1 + 28 = 27
7 = 27 + -4x

Solving
7 = 27 + -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 + 4x = 27 + -4x + 4x

Combine like terms: -4x + 4x = 0
7 + 4x = 27 + 0
7 + 4x = 27

Add '-7' to each side of the equation.
7 + -7 + 4x = 27 + -7

Combine like terms: 7 + -7 = 0
0 + 4x = 27 + -7
4x = 27 + -7

Combine like terms: 27 + -7 = 20
4x = 20

Divide each side by '4'.
x = 5

Simplifying
x = 5

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