7+3r+9+6r=

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Solution for 7+3r+9+6r= equation:


Simplifying
7 + 3r + 9 + 6r = 0

Reorder the terms:
7 + 9 + 3r + 6r = 0

Combine like terms: 7 + 9 = 16
16 + 3r + 6r = 0

Combine like terms: 3r + 6r = 9r
16 + 9r = 0

Solving
16 + 9r = 0

Solving for variable 'r'.

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

Add '-16' to each side of the equation.
16 + -16 + 9r = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 9r = 0 + -16
9r = 0 + -16

Combine like terms: 0 + -16 = -16
9r = -16

Divide each side by '9'.
r = -1.777777778

Simplifying
r = -1.777777778

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