30=80+x

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Solution for 30=80+x equation:


Simplifying
30 = 80 + x

Solving
30 = 80 + 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.
30 + -1x = 80 + x + -1x

Combine like terms: x + -1x = 0
30 + -1x = 80 + 0
30 + -1x = 80

Add '-30' to each side of the equation.
30 + -30 + -1x = 80 + -30

Combine like terms: 30 + -30 = 0
0 + -1x = 80 + -30
-1x = 80 + -30

Combine like terms: 80 + -30 = 50
-1x = 50

Divide each side by '-1'.
x = -50

Simplifying
x = -50

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