-1=-3+r

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Solution for -1=-3+r equation:


Simplifying
-1 = -3 + r

Solving
-1 = -3 + r

Solving for variable 'r'.

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

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

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

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

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

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

Divide each side by '-1'.
r = 2

Simplifying
r = 2

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