11r-7=9r+7

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Solution for 11r-7=9r+7 equation:


Simplifying
11r + -7 = 9r + 7

Reorder the terms:
-7 + 11r = 9r + 7

Reorder the terms:
-7 + 11r = 7 + 9r

Solving
-7 + 11r = 7 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
-7 + 11r + -9r = 7 + 9r + -9r

Combine like terms: 11r + -9r = 2r
-7 + 2r = 7 + 9r + -9r

Combine like terms: 9r + -9r = 0
-7 + 2r = 7 + 0
-7 + 2r = 7

Add '7' to each side of the equation.
-7 + 7 + 2r = 7 + 7

Combine like terms: -7 + 7 = 0
0 + 2r = 7 + 7
2r = 7 + 7

Combine like terms: 7 + 7 = 14
2r = 14

Divide each side by '2'.
r = 7

Simplifying
r = 7

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