-30=X+(-20)

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Solution for -30=X+(-20) equation:


Simplifying
-30 = X + (-20)
-30 = X + -20

Reorder the terms:
-30 = -20 + X

Solving
-30 = -20 + 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 = -20 + X + -1X

Combine like terms: X + -1X = 0
-30 + -1X = -20 + 0
-30 + -1X = -20

Add '30' to each side of the equation.
-30 + 30 + -1X = -20 + 30

Combine like terms: -30 + 30 = 0
0 + -1X = -20 + 30
-1X = -20 + 30

Combine like terms: -20 + 30 = 10
-1X = 10

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

Simplifying
X = -10

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