-3(1-5r)+3(4r-2)=-36

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Solution for -3(1-5r)+3(4r-2)=-36 equation:


Simplifying
-3(1 + -5r) + 3(4r + -2) = -36
(1 * -3 + -5r * -3) + 3(4r + -2) = -36
(-3 + 15r) + 3(4r + -2) = -36

Reorder the terms:
-3 + 15r + 3(-2 + 4r) = -36
-3 + 15r + (-2 * 3 + 4r * 3) = -36
-3 + 15r + (-6 + 12r) = -36

Reorder the terms:
-3 + -6 + 15r + 12r = -36

Combine like terms: -3 + -6 = -9
-9 + 15r + 12r = -36

Combine like terms: 15r + 12r = 27r
-9 + 27r = -36

Solving
-9 + 27r = -36

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 27r = -36 + 9

Combine like terms: -9 + 9 = 0
0 + 27r = -36 + 9
27r = -36 + 9

Combine like terms: -36 + 9 = -27
27r = -27

Divide each side by '27'.
r = -1

Simplifying
r = -1

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