1-2r-3r=16

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Solution for 1-2r-3r=16 equation: 


Simplifying
1 + -2r + -3r = 16

Combine like terms: -2r + -3r = -5r
1 + -5r = 16

Solving
1 + -5r = 16

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + -5r = 16 + -1

Combine like terms: 1 + -1 = 0
0 + -5r = 16 + -1
-5r = 16 + -1

Combine like terms: 16 + -1 = 15
-5r = 15

Divide each side by '-5'.
r = -3

Simplifying
r = -3

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