Answer:
The 1st answer that is (0,7) will be No
The 2nd answer that is (3,21) will be Yes
The 3rd answer that is (8,56) will bw Yes
Step-by-step explanation:
multiply both sides by -1
x = 14
6/3 = 6 divided by 3
= 2
12/6= 12 divided by 6
= 2
Answer:
x=-4 and y=4
Step-by-step explanation:
(6x+9y)-(6x+7y)=12-4=8
--> 9y-7y=8
-->2y=8-->y=4
-->6x+7×4=4 -->x=-4