Answer:
DE = 32
EF = 34
Step-by-step explanation:
3x + 5 + 4x - 2 = 66
7x + 3 = 66
7x = 63
x = 9
DE = 3(9)+5 = 32
EF = 4(9)-2 = 34
check: 32 + 34 = 66
Answer:
A
Explanation:
When you multiply the numbers in the x column by 2, then you add 2, you get the numbers in the y column.
Answer:
Step-by-step explanation:
1.) 5
2.) 32
3.) 14
4.) 16
It's the associative property. One way to remember the associative property is that the numbers don't change, but the location of the numbers change.