-(15r+15)=3(-4r+1)

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Solution for -(15r+15)=3(-4r+1) equation:


Simplifying
-1(15r + 15) = 3(-4r + 1)

Reorder the terms:
-1(15 + 15r) = 3(-4r + 1)
(15 * -1 + 15r * -1) = 3(-4r + 1)
(-15 + -15r) = 3(-4r + 1)

Reorder the terms:
-15 + -15r = 3(1 + -4r)
-15 + -15r = (1 * 3 + -4r * 3)
-15 + -15r = (3 + -12r)

Solving
-15 + -15r = 3 + -12r

Solving for variable 'r'.

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

Add '12r' to each side of the equation.
-15 + -15r + 12r = 3 + -12r + 12r

Combine like terms: -15r + 12r = -3r
-15 + -3r = 3 + -12r + 12r

Combine like terms: -12r + 12r = 0
-15 + -3r = 3 + 0
-15 + -3r = 3

Add '15' to each side of the equation.
-15 + 15 + -3r = 3 + 15

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

Combine like terms: 3 + 15 = 18
-3r = 18

Divide each side by '-3'.
r = -6

Simplifying
r = -6

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