16r+r=9r-18

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Solution for 16r+r=9r-18 equation: 


Simplifying
16r + r = 9r + -18

Combine like terms: 16r + r = 17r
17r = 9r + -18

Reorder the terms:
17r = -18 + 9r

Solving
17r = -18 + 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.
17r + -9r = -18 + 9r + -9r

Combine like terms: 17r + -9r = 8r
8r = -18 + 9r + -9r

Combine like terms: 9r + -9r = 0
8r = -18 + 0
8r = -18

Divide each side by '8'.
r = -2.25

Simplifying
r = -2.25

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