-20+18+x=-30

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Solution for -20+18+x=-30 equation: 


Simplifying
-20 + 18 + x = -30

Combine like terms: -20 + 18 = -2
-2 + x = -30

Solving
-2 + x = -30

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + x = -30 + 2

Combine like terms: -2 + 2 = 0
0 + x = -30 + 2
x = -30 + 2

Combine like terms: -30 + 2 = -28
x = -28

Simplifying
x = -28

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