3r-5=45-2r

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Solution for 3r-5=45-2r equation:


Simplifying
3r + -5 = 45 + -2r

Reorder the terms:
-5 + 3r = 45 + -2r

Solving
-5 + 3r = 45 + -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.
-5 + 3r + 2r = 45 + -2r + 2r

Combine like terms: 3r + 2r = 5r
-5 + 5r = 45 + -2r + 2r

Combine like terms: -2r + 2r = 0
-5 + 5r = 45 + 0
-5 + 5r = 45

Add '5' to each side of the equation.
-5 + 5 + 5r = 45 + 5

Combine like terms: -5 + 5 = 0
0 + 5r = 45 + 5
5r = 45 + 5

Combine like terms: 45 + 5 = 50
5r = 50

Divide each side by '5'.
r = 10

Simplifying
r = 10

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