8r-28=-8+3r

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Solution for 8r-28=-8+3r equation:


Simplifying
8r + -28 = -8 + 3r

Reorder the terms:
-28 + 8r = -8 + 3r

Solving
-28 + 8r = -8 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
-28 + 8r + -3r = -8 + 3r + -3r

Combine like terms: 8r + -3r = 5r
-28 + 5r = -8 + 3r + -3r

Combine like terms: 3r + -3r = 0
-28 + 5r = -8 + 0
-28 + 5r = -8

Add '28' to each side of the equation.
-28 + 28 + 5r = -8 + 28

Combine like terms: -28 + 28 = 0
0 + 5r = -8 + 28
5r = -8 + 28

Combine like terms: -8 + 28 = 20
5r = 20

Divide each side by '5'.
r = 4

Simplifying
r = 4

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