-7r-4-9+r+15=

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Solution for -7r-4-9+r+15= equation:


Simplifying
-7r + -4 + -9 + r + 15 = 0

Reorder the terms:
-4 + -9 + 15 + -7r + r = 0

Combine like terms: -4 + -9 = -13
-13 + 15 + -7r + r = 0

Combine like terms: -13 + 15 = 2
2 + -7r + r = 0

Combine like terms: -7r + r = -6r
2 + -6r = 0

Solving
2 + -6r = 0

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + -6r = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -6r = 0 + -2
-6r = 0 + -2

Combine like terms: 0 + -2 = -2
-6r = -2

Divide each side by '-6'.
r = 0.3333333333

Simplifying
r = 0.3333333333

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