8=7x-1+2x

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Solution for 8=7x-1+2x equation:


Simplifying
8 = 7x + -1 + 2x

Reorder the terms:
8 = -1 + 7x + 2x

Combine like terms: 7x + 2x = 9x
8 = -1 + 9x

Solving
8 = -1 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
8 + -9x = -1 + 9x + -9x

Combine like terms: 9x + -9x = 0
8 + -9x = -1 + 0
8 + -9x = -1

Add '-8' to each side of the equation.
8 + -8 + -9x = -1 + -8

Combine like terms: 8 + -8 = 0
0 + -9x = -1 + -8
-9x = -1 + -8

Combine like terms: -1 + -8 = -9
-9x = -9

Divide each side by '-9'.
x = 1

Simplifying
x = 1

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