3r-1-6r=-4r-9

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Solution for 3r-1-6r=-4r-9 equation:


Simplifying
3r + -1 + -6r = -4r + -9

Reorder the terms:
-1 + 3r + -6r = -4r + -9

Combine like terms: 3r + -6r = -3r
-1 + -3r = -4r + -9

Reorder the terms:
-1 + -3r = -9 + -4r

Solving
-1 + -3r = -9 + -4r

Solving for variable 'r'.

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

Add '4r' to each side of the equation.
-1 + -3r + 4r = -9 + -4r + 4r

Combine like terms: -3r + 4r = 1r
-1 + 1r = -9 + -4r + 4r

Combine like terms: -4r + 4r = 0
-1 + 1r = -9 + 0
-1 + 1r = -9

Add '1' to each side of the equation.
-1 + 1 + 1r = -9 + 1

Combine like terms: -1 + 1 = 0
0 + 1r = -9 + 1
1r = -9 + 1

Combine like terms: -9 + 1 = -8
1r = -8

Divide each side by '1'.
r = -8

Simplifying
r = -8

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