4+5-3r=8

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Solution for 4+5-3r=8 equation: 


Simplifying
4 + 5 + -3r = 8

Combine like terms: 4 + 5 = 9
9 + -3r = 8

Solving
9 + -3r = 8

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 + -3r = 8 + -9

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

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

Divide each side by '-3'.
r = 0.3333333333

Simplifying
r = 0.3333333333

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