8x-1=9x-7

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


Simplifying
8x + -1 = 9x + -7

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

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

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

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

Combine like terms: 9x + -9x = 0
-1 + -1x = -7 + 0
-1 + -1x = -7

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

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

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

Divide each side by '-1'.
x = 6

Simplifying
x = 6

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