-19=-9+-r

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Solution for -19=-9+-r equation:


Simplifying
-19 = -9 + -1r

Solving
-19 = -9 + -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.
-19 + r = -9 + -1r + r

Combine like terms: -1r + r = 0
-19 + r = -9 + 0
-19 + r = -9

Add '19' to each side of the equation.
-19 + 19 + r = -9 + 19

Combine like terms: -19 + 19 = 0
0 + r = -9 + 19
r = -9 + 19

Combine like terms: -9 + 19 = 10
r = 10

Simplifying
r = 10

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