r-4+6r=-4

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Solution for r-4+6r=-4 equation: 


Simplifying
r + -4 + 6r = -4

Reorder the terms:
-4 + r + 6r = -4

Combine like terms: r + 6r = 7r
-4 + 7r = -4

Add '4' to each side of the equation.
-4 + 4 + 7r = -4 + 4

Combine like terms: -4 + 4 = 0
0 + 7r = -4 + 4
7r = -4 + 4

Combine like terms: -4 + 4 = 0
7r = 0

Solving
7r = 0

Solving for variable 'r'.

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

Divide each side by '7'.
r = 0

Simplifying
r = 0

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