-16=-7-r

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Solution for -16=-7-r equation:


Simplifying
-16 = -7 + -1r

Solving
-16 = -7 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
-16 + r = -7 + -1r + r

Combine like terms: -1r + r = 0
-16 + r = -7 + 0
-16 + r = -7

Add '16' to each side of the equation.
-16 + 16 + r = -7 + 16

Combine like terms: -16 + 16 = 0
0 + r = -7 + 16
r = -7 + 16

Combine like terms: -7 + 16 = 9
r = 9

Simplifying
r = 9

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