x+7=-9+20

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Solution for x+7=-9+20 equation: 


Simplifying
x + 7 = -9 + 20

Reorder the terms:
7 + x = -9 + 20

Combine like terms: -9 + 20 = 11
7 + x = 11

Solving
7 + x = 11

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + x = 11 + -7

Combine like terms: 7 + -7 = 0
0 + x = 11 + -7
x = 11 + -7

Combine like terms: 11 + -7 = 4
x = 4

Simplifying
x = 4

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