4+3(2r+-8)=28

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Solution for 4+3(2r+-8)=28 equation:


Simplifying
4 + 3(2r + -8) = 28

Reorder the terms:
4 + 3(-8 + 2r) = 28
4 + (-8 * 3 + 2r * 3) = 28
4 + (-24 + 6r) = 28

Combine like terms: 4 + -24 = -20
-20 + 6r = 28

Solving
-20 + 6r = 28

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 + 6r = 28 + 20

Combine like terms: -20 + 20 = 0
0 + 6r = 28 + 20
6r = 28 + 20

Combine like terms: 28 + 20 = 48
6r = 48

Divide each side by '6'.
r = 8

Simplifying
r = 8

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