8x-80=9x-84

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Solution for 8x-80=9x-84 equation:


Simplifying
8x + -80 = 9x + -84

Reorder the terms:
-80 + 8x = 9x + -84

Reorder the terms:
-80 + 8x = -84 + 9x

Solving
-80 + 8x = -84 + 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.
-80 + 8x + -9x = -84 + 9x + -9x

Combine like terms: 8x + -9x = -1x
-80 + -1x = -84 + 9x + -9x

Combine like terms: 9x + -9x = 0
-80 + -1x = -84 + 0
-80 + -1x = -84

Add '80' to each side of the equation.
-80 + 80 + -1x = -84 + 80

Combine like terms: -80 + 80 = 0
0 + -1x = -84 + 80
-1x = -84 + 80

Combine like terms: -84 + 80 = -4
-1x = -4

Divide each side by '-1'.
x = 4

Simplifying
x = 4

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