8r-9=2x+12

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Solution for 8r-9=2x+12 equation:


Simplifying
8r + -9 = 2x + 12

Reorder the terms:
-9 + 8r = 2x + 12

Reorder the terms:
-9 + 8r = 12 + 2x

Solving
-9 + 8r = 12 + 2x

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 8r = 12 + 9 + 2x

Combine like terms: -9 + 9 = 0
0 + 8r = 12 + 9 + 2x
8r = 12 + 9 + 2x

Combine like terms: 12 + 9 = 21
8r = 21 + 2x

Divide each side by '8'.
r = 2.625 + 0.25x

Simplifying
r = 2.625 + 0.25x

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