7x-1=8x

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Solution for 7x-1=8x equation:


Simplifying
7x + -1 = 8x

Reorder the terms:
-1 + 7x = 8x

Solving
-1 + 7x = 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.
-1 + 7x + -8x = 8x + -8x

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

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

Add '1' to each side of the equation.
-1 + 1 + -1x = 0 + 1

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

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

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

Simplifying
x = -1

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