3(4r+4)+4(-8+r)=

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Solution for 3(4r+4)+4(-8+r)= equation:


Simplifying
3(4r + 4) + 4(-8 + r) = 0

Reorder the terms:
3(4 + 4r) + 4(-8 + r) = 0
(4 * 3 + 4r * 3) + 4(-8 + r) = 0
(12 + 12r) + 4(-8 + r) = 0
12 + 12r + (-8 * 4 + r * 4) = 0
12 + 12r + (-32 + 4r) = 0

Reorder the terms:
12 + -32 + 12r + 4r = 0

Combine like terms: 12 + -32 = -20
-20 + 12r + 4r = 0

Combine like terms: 12r + 4r = 16r
-20 + 16r = 0

Solving
-20 + 16r = 0

Solving for variable 'r'.

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

Add '20' to each side of the equation.
-20 + 20 + 16r = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 16r = 0 + 20
16r = 0 + 20

Combine like terms: 0 + 20 = 20
16r = 20

Divide each side by '16'.
r = 1.25

Simplifying
r = 1.25

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