D - gasoline number of miles you drove since filling up
X < 6
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F(-4)=G(-4) because when the two lines cross over the f line is at the -4 and same with G
1.6 liters is 1600 milliliters. Hope this helps!
Since the second equation gives a value for a, we can substitute it into the other equation to find a value for B.
Let's substitute b-2 into the first equation wherever there is an a.
a - 3b = 4
(b-2) - 3b = 4
b - 2 - 3b = 4
-2 - 2b = 4
-2b = 6
b = -3
Now let's find a by substituting -3 into either of the equations to find the value of a.
a = b - 2
a = -3 - 2
a = -5
So your solution set is (-5, -3)
