r+8=3(1-r)+2

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Solution for r+8=3(1-r)+2 equation: 


Simplifying
r + 8 = 3(1 + -1r) + 2

Reorder the terms:
8 + r = 3(1 + -1r) + 2
8 + r = (1 * 3 + -1r * 3) + 2
8 + r = (3 + -3r) + 2

Reorder the terms:
8 + r = 3 + 2 + -3r

Combine like terms: 3 + 2 = 5
8 + r = 5 + -3r

Solving
8 + r = 5 + -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.
8 + r + 3r = 5 + -3r + 3r

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

Combine like terms: -3r + 3r = 0
8 + 4r = 5 + 0
8 + 4r = 5

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

Combine like terms: 8 + -8 = 0
0 + 4r = 5 + -8
4r = 5 + -8

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

Divide each side by '4'.
r = -0.75

Simplifying
r = -0.75

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