10+x=-20

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Solution for 10+x=-20 equation: 


Simplifying
10 + x = -20

Solving
10 + x = -20

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + x = -20 + -10

Combine like terms: 10 + -10 = 0
0 + x = -20 + -10
x = -20 + -10

Combine like terms: -20 + -10 = -30
x = -30

Simplifying
x = -30

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