8(r+2)=9r

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Solution for 8(r+2)=9r equation:


Simplifying
8(r + 2) = 9r

Reorder the terms:
8(2 + r) = 9r
(2 * 8 + r * 8) = 9r
(16 + 8r) = 9r

Solving
16 + 8r = 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.
16 + 8r + -9r = 9r + -9r

Combine like terms: 8r + -9r = -1r
16 + -1r = 9r + -9r

Combine like terms: 9r + -9r = 0
16 + -1r = 0

Add '-16' to each side of the equation.
16 + -16 + -1r = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -1r = 0 + -16
-1r = 0 + -16

Combine like terms: 0 + -16 = -16
-1r = -16

Divide each side by '-1'.
r = 16

Simplifying
r = 16

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