20x-30=180

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Solution for 20x-30=180 equation: 


Simplifying
20x + -30 = 180

Reorder the terms:
-30 + 20x = 180

Solving
-30 + 20x = 180

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 20x = 180 + 30

Combine like terms: -30 + 30 = 0
0 + 20x = 180 + 30
20x = 180 + 30

Combine like terms: 180 + 30 = 210
20x = 210

Divide each side by '20'.
x = 10.5

Simplifying
x = 10.5

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