7r+4r=11

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Solution for 7r+4r=11 equation: 


Simplifying
7r + 4r = 11

Combine like terms: 7r + 4r = 11r
11r = 11

Solving
11r = 11

Solving for variable 'r'.

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

Divide each side by '11'.
r = 1

Simplifying
r = 1

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