3+x+15=45

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Solution for 3+x+15=45 equation: 


Simplifying
3 + x + 15 = 45

Reorder the terms:
3 + 15 + x = 45

Combine like terms: 3 + 15 = 18
18 + x = 45

Solving
18 + x = 45

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + x = 45 + -18

Combine like terms: 18 + -18 = 0
0 + x = 45 + -18
x = 45 + -18

Combine like terms: 45 + -18 = 27
x = 27

Simplifying
x = 27

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