-3r+5(r-4)=3(8r+8)

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Solution for -3r+5(r-4)=3(8r+8) equation:


Simplifying
-3r + 5(r + -4) = 3(8r + 8)

Reorder the terms:
-3r + 5(-4 + r) = 3(8r + 8)
-3r + (-4 * 5 + r * 5) = 3(8r + 8)
-3r + (-20 + 5r) = 3(8r + 8)

Reorder the terms:
-20 + -3r + 5r = 3(8r + 8)

Combine like terms: -3r + 5r = 2r
-20 + 2r = 3(8r + 8)

Reorder the terms:
-20 + 2r = 3(8 + 8r)
-20 + 2r = (8 * 3 + 8r * 3)
-20 + 2r = (24 + 24r)

Solving
-20 + 2r = 24 + 24r

Solving for variable 'r'.

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

Add '-24r' to each side of the equation.
-20 + 2r + -24r = 24 + 24r + -24r

Combine like terms: 2r + -24r = -22r
-20 + -22r = 24 + 24r + -24r

Combine like terms: 24r + -24r = 0
-20 + -22r = 24 + 0
-20 + -22r = 24

Add '20' to each side of the equation.
-20 + 20 + -22r = 24 + 20

Combine like terms: -20 + 20 = 0
0 + -22r = 24 + 20
-22r = 24 + 20

Combine like terms: 24 + 20 = 44
-22r = 44

Divide each side by '-22'.
r = -2

Simplifying
r = -2

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