Answer:
18
Step-by-step explanation:
Since 7×3=21
Then 6×3=18
We times top and bottom by 3 to make it equivalent.
Answer:
1
Step-by-step explanation:
A solution to a system of equations is the point where the 2 lines meet.
Answer:
1. y= -1x+2 2. y=3/4x-1 3. y=-3/1x+4
Step-by-step explanation:
In a chemical change, matter is neither created nor destroyed. A combination of two or more substances in which the basic identity of each substance is not changed.
