-8r+4=11+2-5r

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Solution for -8r+4=11+2-5r equation:


Simplifying
-8r + 4 = 11 + 2 + -5r

Reorder the terms:
4 + -8r = 11 + 2 + -5r

Combine like terms: 11 + 2 = 13
4 + -8r = 13 + -5r

Solving
4 + -8r = 13 + -5r

Solving for variable 'r'.

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

Add '5r' to each side of the equation.
4 + -8r + 5r = 13 + -5r + 5r

Combine like terms: -8r + 5r = -3r
4 + -3r = 13 + -5r + 5r

Combine like terms: -5r + 5r = 0
4 + -3r = 13 + 0
4 + -3r = 13

Add '-4' to each side of the equation.
4 + -4 + -3r = 13 + -4

Combine like terms: 4 + -4 = 0
0 + -3r = 13 + -4
-3r = 13 + -4

Combine like terms: 13 + -4 = 9
-3r = 9

Divide each side by '-3'.
r = -3

Simplifying
r = -3

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