15-8r=5-3r

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Solution for 15-8r=5-3r equation:


Simplifying
15 + -8r = 5 + -3r

Solving
15 + -8r = 5 + -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.
15 + -8r + 3r = 5 + -3r + 3r

Combine like terms: -8r + 3r = -5r
15 + -5r = 5 + -3r + 3r

Combine like terms: -3r + 3r = 0
15 + -5r = 5 + 0
15 + -5r = 5

Add '-15' to each side of the equation.
15 + -15 + -5r = 5 + -15

Combine like terms: 15 + -15 = 0
0 + -5r = 5 + -15
-5r = 5 + -15

Combine like terms: 5 + -15 = -10
-5r = -10

Divide each side by '-5'.
r = 2

Simplifying
r = 2

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