-x + 17 = 19
Subtract -17 from both sides: -x = 2
Multiply both sides by -1: x = -2
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-2+19=17It equals positive 17.
(-11) + (+19) = -11 + 19 = 8
-19 plus 144 equals 125.
83. If your can't use a calculator use your fingers, or just do it in your head!
(A) x + 6y = 19 (B) -x + 6y = 17 (A)+(B): 12y = 36 so that y = 3 Substituting this value of y in (A), x + 18 = 19 so x = 1.