-2x+21=25

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Solution for -2x+21=25 equation: 


Simplifying
-2x + 21 = 25

Reorder the terms:
21 + -2x = 25

Solving
21 + -2x = 25

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 = 25 + -21

Combine like terms: 21 + -21 = 0
0 + -2x = 25 + -21
-2x = 25 + -21

Combine like terms: 25 + -21 = 4
-2x = 4

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

Simplifying
x = -2

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