Answer:
A) 8x + 9y = −3
B) 6x + 7y = 1
We multiply A) by -(6/8)
A) -6x -6.75y = 2.25 then we add this to equation B
B) 6x + 7y = 1
.25y = 3.25
y = 13
and x = -15
Step-by-step explanation:
Answer:
it's 3
Step-by-step explanation:
because 3x7=21.
hope this helps
Answer:
the printer prints 8.5 pgs per minute
Step-by-step explanation:
34 ÷ 4 = 8.5