13+15+x=30

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Solution for 13+15+x=30 equation: 


Simplifying
13 + 15 + x = 30

Combine like terms: 13 + 15 = 28
28 + x = 30

Solving
28 + x = 30

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + x = 30 + -28

Combine like terms: 28 + -28 = 0
0 + x = 30 + -28
x = 30 + -28

Combine like terms: 30 + -28 = 2
x = 2

Simplifying
x = 2

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