5+2=-x+20

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Solution for 5+2=-x+20 equation:


Simplifying
5 + 2 = -1x + 20

Combine like terms: 5 + 2 = 7
7 = -1x + 20

Reorder the terms:
7 = 20 + -1x

Solving
7 = 20 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
7 + x = 20 + -1x + x

Combine like terms: -1x + x = 0
7 + x = 20 + 0
7 + x = 20

Add '-7' to each side of the equation.
7 + -7 + x = 20 + -7

Combine like terms: 7 + -7 = 0
0 + x = 20 + -7
x = 20 + -7

Combine like terms: 20 + -7 = 13
x = 13

Simplifying
x = 13

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