r-3r+5=-7

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Solution for r-3r+5=-7 equation:


Simplifying
r + -3r + 5 = -7

Reorder the terms:
5 + r + -3r = -7

Combine like terms: r + -3r = -2r
5 + -2r = -7

Solving
5 + -2r = -7

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + -2r = -7 + -5

Combine like terms: 5 + -5 = 0
0 + -2r = -7 + -5
-2r = -7 + -5

Combine like terms: -7 + -5 = -12
-2r = -12

Divide each side by '-2'.
r = 6

Simplifying
r = 6

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