-17=12+r

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Solution for -17=12+r equation:


Simplifying
-17 = 12 + r

Solving
-17 = 12 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-17 + -1r = 12 + r + -1r

Combine like terms: r + -1r = 0
-17 + -1r = 12 + 0
-17 + -1r = 12

Add '17' to each side of the equation.
-17 + 17 + -1r = 12 + 17

Combine like terms: -17 + 17 = 0
0 + -1r = 12 + 17
-1r = 12 + 17

Combine like terms: 12 + 17 = 29
-1r = 29

Divide each side by '-1'.
r = -29

Simplifying
r = -29

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