-39-8r=4(3-7r+7r)3r

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Solution for -39-8r=4(3-7r+7r)3r equation:


Simplifying
-39 + -8r = 4(3 + -7r + 7r) * 3r

Combine like terms: -7r + 7r = 0
-39 + -8r = 4(3 + 0) * 3r
-39 + -8r = 4(3) * 3r

Multiply 4 * 3
-39 + -8r = 12 * 3r

Multiply 12 * 3
-39 + -8r = 36r

Solving
-39 + -8r = 36r

Solving for variable 'r'.

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

Add '-36r' to each side of the equation.
-39 + -8r + -36r = 36r + -36r

Combine like terms: -8r + -36r = -44r
-39 + -44r = 36r + -36r

Combine like terms: 36r + -36r = 0
-39 + -44r = 0

Add '39' to each side of the equation.
-39 + 39 + -44r = 0 + 39

Combine like terms: -39 + 39 = 0
0 + -44r = 0 + 39
-44r = 0 + 39

Combine like terms: 0 + 39 = 39
-44r = 39

Divide each side by '-44'.
r = -0.8863636364

Simplifying
r = -0.8863636364

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