5-6+2x+1=21

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Solution for 5-6+2x+1=21 equation: 


Simplifying
5 + -6 + 2x + 1 = 21

Reorder the terms:
5 + -6 + 1 + 2x = 21

Combine like terms: 5 + -6 = -1
-1 + 1 + 2x = 21

Combine like terms: -1 + 1 = 0
0 + 2x = 21
2x = 21

Solving
2x = 21

Solving for variable 'x'.

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

Divide each side by '2'.
x = 10.5

Simplifying
x = 10.5

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