2r-20=25-3r

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Solution for 2r-20=25-3r equation:


Simplifying
2r + -20 = 25 + -3r

Reorder the terms:
-20 + 2r = 25 + -3r

Solving
-20 + 2r = 25 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
-20 + 2r + 3r = 25 + -3r + 3r

Combine like terms: 2r + 3r = 5r
-20 + 5r = 25 + -3r + 3r

Combine like terms: -3r + 3r = 0
-20 + 5r = 25 + 0
-20 + 5r = 25

Add '20' to each side of the equation.
-20 + 20 + 5r = 25 + 20

Combine like terms: -20 + 20 = 0
0 + 5r = 25 + 20
5r = 25 + 20

Combine like terms: 25 + 20 = 45
5r = 45

Divide each side by '5'.
r = 9

Simplifying
r = 9

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