12r+5+3r-4=

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Solution for 12r+5+3r-4= equation:


Simplifying
12r + 5 + 3r + -4 = 0

Reorder the terms:
5 + -4 + 12r + 3r = 0

Combine like terms: 5 + -4 = 1
1 + 12r + 3r = 0

Combine like terms: 12r + 3r = 15r
1 + 15r = 0

Solving
1 + 15r = 0

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + 15r = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 15r = 0 + -1
15r = 0 + -1

Combine like terms: 0 + -1 = -1
15r = -1

Divide each side by '15'.
r = -0.06666666667

Simplifying
r = -0.06666666667

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