13+x=-20

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Solution for 13+x=-20 equation: 


Simplifying
13 + x = -20

Solving
13 + x = -20

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + x = -20 + -13

Combine like terms: 13 + -13 = 0
0 + x = -20 + -13
x = -20 + -13

Combine like terms: -20 + -13 = -33
x = -33

Simplifying
x = -33

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