7-7x=(4+9)(x-1)

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Solution for 7-7x=(4+9)(x-1) equation:


Simplifying
7 + -7x = (4 + 9)(x + -1)

Combine like terms: 4 + 9 = 13
7 + -7x = (13)(x + -1)

Reorder the terms:
7 + -7x = 13(-1 + x)
7 + -7x = (-1 * 13 + x * 13)
7 + -7x = (-13 + 13x)

Solving
7 + -7x = -13 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
7 + -7x + -13x = -13 + 13x + -13x

Combine like terms: -7x + -13x = -20x
7 + -20x = -13 + 13x + -13x

Combine like terms: 13x + -13x = 0
7 + -20x = -13 + 0
7 + -20x = -13

Add '-7' to each side of the equation.
7 + -7 + -20x = -13 + -7

Combine like terms: 7 + -7 = 0
0 + -20x = -13 + -7
-20x = -13 + -7

Combine like terms: -13 + -7 = -20
-20x = -20

Divide each side by '-20'.
x = 1

Simplifying
x = 1

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