3(-5r+6)=4r-39

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Solution for 3(-5r+6)=4r-39 equation:


Simplifying
3(-5r + 6) = 4r + -39

Reorder the terms:
3(6 + -5r) = 4r + -39
(6 * 3 + -5r * 3) = 4r + -39
(18 + -15r) = 4r + -39

Reorder the terms:
18 + -15r = -39 + 4r

Solving
18 + -15r = -39 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
18 + -15r + -4r = -39 + 4r + -4r

Combine like terms: -15r + -4r = -19r
18 + -19r = -39 + 4r + -4r

Combine like terms: 4r + -4r = 0
18 + -19r = -39 + 0
18 + -19r = -39

Add '-18' to each side of the equation.
18 + -18 + -19r = -39 + -18

Combine like terms: 18 + -18 = 0
0 + -19r = -39 + -18
-19r = -39 + -18

Combine like terms: -39 + -18 = -57
-19r = -57

Divide each side by '-19'.
r = 3

Simplifying
r = 3

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