r+3+7r=11

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Solution for r+3+7r=11 equation: 


Simplifying
r + 3 + 7r = 11

Reorder the terms:
3 + r + 7r = 11

Combine like terms: r + 7r = 8r
3 + 8r = 11

Solving
3 + 8r = 11

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 + 8r = 11 + -3

Combine like terms: 3 + -3 = 0
0 + 8r = 11 + -3
8r = 11 + -3

Combine like terms: 11 + -3 = 8
8r = 8

Divide each side by '8'.
r = 1

Simplifying
r = 1

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