9r-29=20+2r

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Solution for 9r-29=20+2r equation:


Simplifying
9r + -29 = 20 + 2r

Reorder the terms:
-29 + 9r = 20 + 2r

Solving
-29 + 9r = 20 + 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.
-29 + 9r + -2r = 20 + 2r + -2r

Combine like terms: 9r + -2r = 7r
-29 + 7r = 20 + 2r + -2r

Combine like terms: 2r + -2r = 0
-29 + 7r = 20 + 0
-29 + 7r = 20

Add '29' to each side of the equation.
-29 + 29 + 7r = 20 + 29

Combine like terms: -29 + 29 = 0
0 + 7r = 20 + 29
7r = 20 + 29

Combine like terms: 20 + 29 = 49
7r = 49

Divide each side by '7'.
r = 7

Simplifying
r = 7

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