12+30+X=48

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Solution for 12+30+X=48 equation: 


Simplifying
12 + 30 + X = 48

Combine like terms: 12 + 30 = 42
42 + X = 48

Solving
42 + X = 48

Solving for variable 'X'.

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

Add '-42' to each side of the equation.
42 + -42 + X = 48 + -42

Combine like terms: 42 + -42 = 0
0 + X = 48 + -42
X = 48 + -42

Combine like terms: 48 + -42 = 6
X = 6

Simplifying
X = 6

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