19=17+r

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Solution for 19=17+r equation:


Simplifying
19 = 17 + r

Solving
19 = 17 + 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.
19 + -1r = 17 + r + -1r

Combine like terms: r + -1r = 0
19 + -1r = 17 + 0
19 + -1r = 17

Add '-19' to each side of the equation.
19 + -19 + -1r = 17 + -19

Combine like terms: 19 + -19 = 0
0 + -1r = 17 + -19
-1r = 17 + -19

Combine like terms: 17 + -19 = -2
-1r = -2

Divide each side by '-1'.
r = 2

Simplifying
r = 2

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