-2x+21=10

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Solution for -2x+21=10 equation: 


Simplifying
-2x + 21 = 10

Reorder the terms:
21 + -2x = 10

Solving
21 + -2x = 10

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -2x = 10 + -21

Combine like terms: 21 + -21 = 0
0 + -2x = 10 + -21
-2x = 10 + -21

Combine like terms: 10 + -21 = -11
-2x = -11

Divide each side by '-2'.
x = 5.5

Simplifying
x = 5.5

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