x-1=7(x+1)

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


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

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

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

Solving
-1 + x = 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.
-1 + x + -7x = 7 + 7x + -7x

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

Combine like terms: 7x + -7x = 0
-1 + -6x = 7 + 0
-1 + -6x = 7

Add '1' to each side of the equation.
-1 + 1 + -6x = 7 + 1

Combine like terms: -1 + 1 = 0
0 + -6x = 7 + 1
-6x = 7 + 1

Combine like terms: 7 + 1 = 8
-6x = 8

Divide each side by '-6'.
x = -1.333333333

Simplifying
x = -1.333333333

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