9r-1+6r=11

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Solution for 9r-1+6r=11 equation:


Simplifying
9r + -1 + 6r = 11

Reorder the terms:
-1 + 9r + 6r = 11

Combine like terms: 9r + 6r = 15r
-1 + 15r = 11

Solving
-1 + 15r = 11

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + 15r = 11 + 1

Combine like terms: -1 + 1 = 0
0 + 15r = 11 + 1
15r = 11 + 1

Combine like terms: 11 + 1 = 12
15r = 12

Divide each side by '15'.
r = 0.8

Simplifying
r = 0.8

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