Answer:
A) -4x + 9y = 9
B) x -3y = -6
We multiply B) by 3
B) 3x -9y = -18 Then add it to A)
A) -4x + 9y = 9
-x = -9
x = 9
9 -3y = -6
3y = 15
y = 5
Step-by-step explanation:
Answer:3.8
Step-by-step explanation:
The greatest common factor (GCF or GCD or HCF) of a set of whole numbers is the largest positive integer that divides evenly into all numbers with zero remainder.
Answer:
GCF = 1
for the values 16, 27
The factors of 16 are: 1, 2, 4, 8, 16
The factors of 27 are: 1, 3, 9, 27
-10s-3=7
Add 3
-10s= 10
Divide by -10
s= -1