3+2x=45

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Solution for 3+2x=45 equation: 


Simplifying
3 + 2x = 45

Solving
3 + 2x = 45

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 2x = 45 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 45 + -3
2x = 45 + -3

Combine like terms: 45 + -3 = 42
2x = 42

Divide each side by '2'.
x = 21

Simplifying
x = 21

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