10+r=12

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Solution for 10+r=12 equation: 


Simplifying
10 + r = 12

Solving
10 + r = 12

Solving for variable 'r'.

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

Add '-10' to each side of the equation.
10 + -10 + r = 12 + -10

Combine like terms: 10 + -10 = 0
0 + r = 12 + -10
r = 12 + -10

Combine like terms: 12 + -10 = 2
r = 2

Simplifying
r = 2

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