2x+21=66

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Solution for 2x+21=66 equation: 


Simplifying
2x + 21 = 66

Reorder the terms:
21 + 2x = 66

Solving
21 + 2x = 66

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 = 66 + -21

Combine like terms: 21 + -21 = 0
0 + 2x = 66 + -21
2x = 66 + -21

Combine like terms: 66 + -21 = 45
2x = 45

Divide each side by '2'.
x = 22.5

Simplifying
x = 22.5

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