3r-7=11

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Solution for 3r-7=11 equation: 


Simplifying
3r + -7 = 11

Reorder the terms:
-7 + 3r = 11

Solving
-7 + 3r = 11

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + 3r = 11 + 7

Combine like terms: -7 + 7 = 0
0 + 3r = 11 + 7
3r = 11 + 7

Combine like terms: 11 + 7 = 18
3r = 18

Divide each side by '3'.
r = 6

Simplifying
r = 6

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