Answer:
17/3 and 5.6........
Explanation:
Take 5 x 3 and then add 2 and put it over 3
(y=-7)*-1
y=-21+1x
-y=7
y=-21+1x
0=-14+1x......>14=x
substituted to 2nd equation y=1(14)-21=-7
check -7=-7+0 .....>-7=-7
You can find a common demominator and then change 8 1/4 into a mixed number and just subtract