Answer:
x=-1 y=3
Step-by-step explanation:
so next the equation equal so
-8X+3y=17
+8x+9y=19
make it so that the first equation y can eliminate second equation y
sorry ghee too lazy to type working out
Answer:
1:4 and 6:24
Step-by-step explanation:
Answer:
(−6, a )
3x − 5 y = 56
3(-6) -- 5(a) = 56
--16 -- 5a = 56
--16 + 16 -- 5a = 56 + 16
--5a = 72
-5a / -5 = 72/-5
a = -14.4
Step-by-step explanation:
C.........................