2+r=10

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Solution for 2+r=10 equation: 


Simplifying
2 + r = 10

Solving
2 + r = 10

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + r = 10 + -2

Combine like terms: 2 + -2 = 0
0 + r = 10 + -2
r = 10 + -2

Combine like terms: 10 + -2 = 8
r = 8

Simplifying
r = 8

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