r-3-4=11

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Solution for r-3-4=11 equation: 


Simplifying
r + -3 + -4 = 11

Reorder the terms:
-3 + -4 + r = 11

Combine like terms: -3 + -4 = -7
-7 + r = 11

Solving
-7 + r = 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 + r = 11 + 7

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

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

Simplifying
r = 18

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