3x-80=2x-90

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Solution for 3x-80=2x-90 equation:


Simplifying
3x + -80 = 2x + -90

Reorder the terms:
-80 + 3x = 2x + -90

Reorder the terms:
-80 + 3x = -90 + 2x

Solving
-80 + 3x = -90 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-80 + 3x + -2x = -90 + 2x + -2x

Combine like terms: 3x + -2x = 1x
-80 + 1x = -90 + 2x + -2x

Combine like terms: 2x + -2x = 0
-80 + 1x = -90 + 0
-80 + 1x = -90

Add '80' to each side of the equation.
-80 + 80 + 1x = -90 + 80

Combine like terms: -80 + 80 = 0
0 + 1x = -90 + 80
1x = -90 + 80

Combine like terms: -90 + 80 = -10
1x = -10

Divide each side by '1'.
x = -10

Simplifying
x = -10

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