-4-r=8-3r+8

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Solution for -4-r=8-3r+8 equation:


Simplifying
-4 + -1r = 8 + -3r + 8

Reorder the terms:
-4 + -1r = 8 + 8 + -3r

Combine like terms: 8 + 8 = 16
-4 + -1r = 16 + -3r

Solving
-4 + -1r = 16 + -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.
-4 + -1r + 3r = 16 + -3r + 3r

Combine like terms: -1r + 3r = 2r
-4 + 2r = 16 + -3r + 3r

Combine like terms: -3r + 3r = 0
-4 + 2r = 16 + 0
-4 + 2r = 16

Add '4' to each side of the equation.
-4 + 4 + 2r = 16 + 4

Combine like terms: -4 + 4 = 0
0 + 2r = 16 + 4
2r = 16 + 4

Combine like terms: 16 + 4 = 20
2r = 20

Divide each side by '2'.
r = 10

Simplifying
r = 10

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