8x-9=7x+9

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


Simplifying
8x + -9 = 7x + 9

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

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

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

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

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

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

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

Combine like terms: 9 + 9 = 18
1x = 18

Divide each side by '1'.
x = 18

Simplifying
x = 18

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