0.20r-7r=3(4r+8)

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Solution for 0.20r-7r=3(4r+8) equation:


Simplifying
0.20r + -7r = 3(4r + 8)

Combine like terms: 0.20r + -7r = -6.8r
-6.8r = 3(4r + 8)

Reorder the terms:
-6.8r = 3(8 + 4r)
-6.8r = (8 * 3 + 4r * 3)
-6.8r = (24 + 12r)

Solving
-6.8r = 24 + 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
-6.8r + -12r = 24 + 12r + -12r

Combine like terms: -6.8r + -12r = -18.8r
-18.8r = 24 + 12r + -12r

Combine like terms: 12r + -12r = 0
-18.8r = 24 + 0
-18.8r = 24

Divide each side by '-18.8'.
r = -1.276595745

Simplifying
r = -1.276595745

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