-1-3=1-3r

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


Simplifying
-1 + -3 = 1 + -3r

Combine like terms: -1 + -3 = -4
-4 = 1 + -3r

Solving
-4 = 1 + -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.
-4 + 3r = 1 + -3r + 3r

Combine like terms: -3r + 3r = 0
-4 + 3r = 1 + 0
-4 + 3r = 1

Add '4' to each side of the equation.
-4 + 4 + 3r = 1 + 4

Combine like terms: -4 + 4 = 0
0 + 3r = 1 + 4
3r = 1 + 4

Combine like terms: 1 + 4 = 5
3r = 5

Divide each side by '3'.
r = 1.666666667

Simplifying
r = 1.666666667

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