x=15+8(x-1)

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Solution for x=15+8(x-1) equation:


Simplifying
x = 15 + 8(x + -1)

Reorder the terms:
x = 15 + 8(-1 + x)
x = 15 + (-1 * 8 + x * 8)
x = 15 + (-8 + 8x)

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

Solving
x = 7 + 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.
x + -8x = 7 + 8x + -8x

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

Combine like terms: 8x + -8x = 0
-7x = 7 + 0
-7x = 7

Divide each side by '-7'.
x = -1

Simplifying
x = -1

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