Answer:
x=2
Step-by-step explanation:
6x+7x−3x=13+7
10x=20
x=20/10
C
x+4y=-12
x+7y=-15
subtract
-3y=3
y=-1
x+4(-1)=-12
x=-12+4=-8
so point is (-8,-1)
33.75.
The mean = sum of the numbers / the number count
= (34 + 31 + 32 + 38) / 4
= 135 / 4
= 33.75.
-1, 3
The answer for this is a=1,b=7,c=19.
