-3(56r+84)+36=6(-27r+39)

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Solution for -3(56r+84)+36=6(-27r+39) equation:


Simplifying
-3(56r + 84) + 36 = 6(-27r + 39)

Reorder the terms:
-3(84 + 56r) + 36 = 6(-27r + 39)
(84 * -3 + 56r * -3) + 36 = 6(-27r + 39)
(-252 + -168r) + 36 = 6(-27r + 39)

Reorder the terms:
-252 + 36 + -168r = 6(-27r + 39)

Combine like terms: -252 + 36 = -216
-216 + -168r = 6(-27r + 39)

Reorder the terms:
-216 + -168r = 6(39 + -27r)
-216 + -168r = (39 * 6 + -27r * 6)
-216 + -168r = (234 + -162r)

Solving
-216 + -168r = 234 + -162r

Solving for variable 'r'.

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

Add '162r' to each side of the equation.
-216 + -168r + 162r = 234 + -162r + 162r

Combine like terms: -168r + 162r = -6r
-216 + -6r = 234 + -162r + 162r

Combine like terms: -162r + 162r = 0
-216 + -6r = 234 + 0
-216 + -6r = 234

Add '216' to each side of the equation.
-216 + 216 + -6r = 234 + 216

Combine like terms: -216 + 216 = 0
0 + -6r = 234 + 216
-6r = 234 + 216

Combine like terms: 234 + 216 = 450
-6r = 450

Divide each side by '-6'.
r = -75

Simplifying
r = -75

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