7+9x=8x-1

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Solution for 7+9x=8x-1 equation:


Simplifying
7 + 9x = 8x + -1

Reorder the terms:
7 + 9x = -1 + 8x

Solving
7 + 9x = -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.
7 + 9x + -8x = -1 + 8x + -8x

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

Combine like terms: 8x + -8x = 0
7 + 1x = -1 + 0
7 + 1x = -1

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

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

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

Divide each side by '1'.
x = -8

Simplifying
x = -8

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