15=x+(7x-1)

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Solution for 15=x+(7x-1) equation:


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

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

Remove parenthesis around (-1 + 7x)
15 = x + -1 + 7x

Reorder the terms:
15 = -1 + x + 7x

Combine like terms: x + 7x = 8x
15 = -1 + 8x

Solving
15 = -1 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
15 + -8x = -1 + 8x + -8x

Combine like terms: 8x + -8x = 0
15 + -8x = -1 + 0
15 + -8x = -1

Add '-15' to each side of the equation.
15 + -15 + -8x = -1 + -15

Combine like terms: 15 + -15 = 0
0 + -8x = -1 + -15
-8x = -1 + -15

Combine like terms: -1 + -15 = -16
-8x = -16

Divide each side by '-8'.
x = 2

Simplifying
x = 2

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