15+4r=36-3r

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Solution for 15+4r=36-3r equation:


Simplifying
15 + 4r = 36 + -3r

Solving
15 + 4r = 36 + -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 + 4r + 3r = 36 + -3r + 3r

Combine like terms: 4r + 3r = 7r
15 + 7r = 36 + -3r + 3r

Combine like terms: -3r + 3r = 0
15 + 7r = 36 + 0
15 + 7r = 36

Add '-15' to each side of the equation.
15 + -15 + 7r = 36 + -15

Combine like terms: 15 + -15 = 0
0 + 7r = 36 + -15
7r = 36 + -15

Combine like terms: 36 + -15 = 21
7r = 21

Divide each side by '7'.
r = 3

Simplifying
r = 3

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