13+6x=7(x-1)

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Solution for 13+6x=7(x-1) equation:


Simplifying
13 + 6x = 7(x + -1)

Reorder the terms:
13 + 6x = 7(-1 + x)
13 + 6x = (-1 * 7 + x * 7)
13 + 6x = (-7 + 7x)

Solving
13 + 6x = -7 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
13 + 6x + -7x = -7 + 7x + -7x

Combine like terms: 6x + -7x = -1x
13 + -1x = -7 + 7x + -7x

Combine like terms: 7x + -7x = 0
13 + -1x = -7 + 0
13 + -1x = -7

Add '-13' to each side of the equation.
13 + -13 + -1x = -7 + -13

Combine like terms: 13 + -13 = 0
0 + -1x = -7 + -13
-1x = -7 + -13

Combine like terms: -7 + -13 = -20
-1x = -20

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

Simplifying
x = 20

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