7r-9=16+2r

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Solution for 7r-9=16+2r equation:


Simplifying
7r + -9 = 16 + 2r

Reorder the terms:
-9 + 7r = 16 + 2r

Solving
-9 + 7r = 16 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-9 + 7r + -2r = 16 + 2r + -2r

Combine like terms: 7r + -2r = 5r
-9 + 5r = 16 + 2r + -2r

Combine like terms: 2r + -2r = 0
-9 + 5r = 16 + 0
-9 + 5r = 16

Add '9' to each side of the equation.
-9 + 9 + 5r = 16 + 9

Combine like terms: -9 + 9 = 0
0 + 5r = 16 + 9
5r = 16 + 9

Combine like terms: 16 + 9 = 25
5r = 25

Divide each side by '5'.
r = 5

Simplifying
r = 5

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