50-30+80=x

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Solution for 50-30+80=x equation:


Simplifying
50 + -30 + 80 = x

Combine like terms: 50 + -30 = 20
20 + 80 = x

Combine like terms: 20 + 80 = 100
100 = x

Solving
100 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
100 + -1x = x + -1x

Combine like terms: x + -1x = 0
100 + -1x = 0

Add '-100' to each side of the equation.
100 + -100 + -1x = 0 + -100

Combine like terms: 100 + -100 = 0
0 + -1x = 0 + -100
-1x = 0 + -100

Combine like terms: 0 + -100 = -100
-1x = -100

Divide each side by '-1'.
x = 100

Simplifying
x = 100

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