-1r-3=1-3r

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


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

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

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

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

Combine like terms: -3r + 3r = 0
-3 + 2r = 1 + 0
-3 + 2r = 1

Add '3' to each side of the equation.
-3 + 3 + 2r = 1 + 3

Combine like terms: -3 + 3 = 0
0 + 2r = 1 + 3
2r = 1 + 3

Combine like terms: 1 + 3 = 4
2r = 4

Divide each side by '2'.
r = 2

Simplifying
r = 2

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