-3(2r+1)+2r-5=64

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Solution for -3(2r+1)+2r-5=64 equation:


Simplifying
-3(2r + 1) + 2r + -5 = 64

Reorder the terms:
-3(1 + 2r) + 2r + -5 = 64
(1 * -3 + 2r * -3) + 2r + -5 = 64
(-3 + -6r) + 2r + -5 = 64

Reorder the terms:
-3 + -5 + -6r + 2r = 64

Combine like terms: -3 + -5 = -8
-8 + -6r + 2r = 64

Combine like terms: -6r + 2r = -4r
-8 + -4r = 64

Solving
-8 + -4r = 64

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + -4r = 64 + 8

Combine like terms: -8 + 8 = 0
0 + -4r = 64 + 8
-4r = 64 + 8

Combine like terms: 64 + 8 = 72
-4r = 72

Divide each side by '-4'.
r = -18

Simplifying
r = -18

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