2+8+x=15

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Solution for 2+8+x=15 equation: 


Simplifying
2 + 8 + x = 15

Combine like terms: 2 + 8 = 10
10 + x = 15

Solving
10 + x = 15

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + x = 15 + -10

Combine like terms: 10 + -10 = 0
0 + x = 15 + -10
x = 15 + -10

Combine like terms: 15 + -10 = 5
x = 5

Simplifying
x = 5

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