-4+r=3r

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Solution for -4+r=3r equation:


Simplifying
-4 + r = 3r

Solving
-4 + r = 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 + r + -3r = 3r + -3r

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

Combine like terms: 3r + -3r = 0
-4 + -2r = 0

Add '4' to each side of the equation.
-4 + 4 + -2r = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -2r = 0 + 4
-2r = 0 + 4

Combine like terms: 0 + 4 = 4
-2r = 4

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

Simplifying
r = -2

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