20+8r=-4+5r

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Solution for 20+8r=-4+5r equation:


Simplifying
20 + 8r = -4 + 5r

Solving
20 + 8r = -4 + 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.
20 + 8r + -5r = -4 + 5r + -5r

Combine like terms: 8r + -5r = 3r
20 + 3r = -4 + 5r + -5r

Combine like terms: 5r + -5r = 0
20 + 3r = -4 + 0
20 + 3r = -4

Add '-20' to each side of the equation.
20 + -20 + 3r = -4 + -20

Combine like terms: 20 + -20 = 0
0 + 3r = -4 + -20
3r = -4 + -20

Combine like terms: -4 + -20 = -24
3r = -24

Divide each side by '3'.
r = -8

Simplifying
r = -8

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