16=-7r-r

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Solution for 16=-7r-r equation:


Simplifying
16 = -7r + -1r

Combine like terms: -7r + -1r = -8r
16 = -8r

Solving
16 = -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
16 + 8r = -8r + 8r

Combine like terms: -8r + 8r = 0
16 + 8r = 0

Add '-16' to each side of the equation.
16 + -16 + 8r = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 8r = 0 + -16
8r = 0 + -16

Combine like terms: 0 + -16 = -16
8r = -16

Divide each side by '8'.
r = -2

Simplifying
r = -2

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