3+7r=10

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Solution for 3+7r=10 equation: 


Simplifying
3 + 7r = 10

Solving
3 + 7r = 10

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + 7r = 10 + -3

Combine like terms: 3 + -3 = 0
0 + 7r = 10 + -3
7r = 10 + -3

Combine like terms: 10 + -3 = 7
7r = 7

Divide each side by '7'.
r = 1

Simplifying
r = 1

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