15+8r-4r=5r+6r

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Solution for 15+8r-4r=5r+6r equation:


Simplifying
15 + 8r + -4r = 5r + 6r

Combine like terms: 8r + -4r = 4r
15 + 4r = 5r + 6r

Combine like terms: 5r + 6r = 11r
15 + 4r = 11r

Solving
15 + 4r = 11r

Solving for variable 'r'.

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

Add '-11r' to each side of the equation.
15 + 4r + -11r = 11r + -11r

Combine like terms: 4r + -11r = -7r
15 + -7r = 11r + -11r

Combine like terms: 11r + -11r = 0
15 + -7r = 0

Add '-15' to each side of the equation.
15 + -15 + -7r = 0 + -15

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

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

Divide each side by '-7'.
r = 2.142857143

Simplifying
r = 2.142857143

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