Question 30
Find the values of A, B, and C.
$A+B=10$
$B+C=7$
$A+C=4$

Editorial note: Enter A, B, C in that order, separated by commas; use a decimal point.
$A+B=10$
$B+C=7$
$A+C=4$

Editorial note: Enter A, B, C in that order, separated by commas; use a decimal point.