3(2r-4)=20-2t

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Solution for 3(2r-4)=20-2t equation:


Simplifying
3(2r + -4) = 20 + -2t

Reorder the terms:
3(-4 + 2r) = 20 + -2t
(-4 * 3 + 2r * 3) = 20 + -2t
(-12 + 6r) = 20 + -2t

Solving
-12 + 6r = 20 + -2t

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + 6r = 20 + 12 + -2t

Combine like terms: -12 + 12 = 0
0 + 6r = 20 + 12 + -2t
6r = 20 + 12 + -2t

Combine like terms: 20 + 12 = 32
6r = 32 + -2t

Divide each side by '6'.
r = 5.333333333 + -0.3333333333t

Simplifying
r = 5.333333333 + -0.3333333333t

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