3r+8+1-8r=

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Solution for 3r+8+1-8r= equation:


Simplifying
3r + 8 + 1 + -8r = 0

Reorder the terms:
8 + 1 + 3r + -8r = 0

Combine like terms: 8 + 1 = 9
9 + 3r + -8r = 0

Combine like terms: 3r + -8r = -5r
9 + -5r = 0

Solving
9 + -5r = 0

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + -5r = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -5r = 0 + -9
-5r = 0 + -9

Combine like terms: 0 + -9 = -9
-5r = -9

Divide each side by '-5'.
r = 1.8

Simplifying
r = 1.8

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