3r+4(-4+2r)=8-r

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Solution for 3r+4(-4+2r)=8-r equation:


Simplifying
3r + 4(-4 + 2r) = 8 + -1r
3r + (-4 * 4 + 2r * 4) = 8 + -1r
3r + (-16 + 8r) = 8 + -1r

Reorder the terms:
-16 + 3r + 8r = 8 + -1r

Combine like terms: 3r + 8r = 11r
-16 + 11r = 8 + -1r

Solving
-16 + 11r = 8 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
-16 + 11r + r = 8 + -1r + r

Combine like terms: 11r + r = 12r
-16 + 12r = 8 + -1r + r

Combine like terms: -1r + r = 0
-16 + 12r = 8 + 0
-16 + 12r = 8

Add '16' to each side of the equation.
-16 + 16 + 12r = 8 + 16

Combine like terms: -16 + 16 = 0
0 + 12r = 8 + 16
12r = 8 + 16

Combine like terms: 8 + 16 = 24
12r = 24

Divide each side by '12'.
r = 2

Simplifying
r = 2

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