45+x=48

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Solution for 45+x=48 equation: 


Simplifying
45 + x = 48

Solving
45 + x = 48

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + x = 48 + -45

Combine like terms: 45 + -45 = 0
0 + x = 48 + -45
x = 48 + -45

Combine like terms: 48 + -45 = 3
x = 3

Simplifying
x = 3

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