We can use substitution to solve for x then substitute the x value back into the original equation to solve for y...
5x + 2y = 7
y = x + 1
Since y = x + 1, we can substitute x + 1 for y in the first equation
5x + 2(x+1) = 7
5x + 2x + 2 = 7
7x + 2 = 7
7x = 5
x = 5/7
Now substitute 5/7 for x in either of the original equations
y = x + 1
y = 5/7 + 1
y = 1 5/7
Solution set is (5/7, 1 5/7)
Answer:
She will need 10 full tablets and two thirds of a tablet
Step-by-step explanation:
First we will find how many tablets ana needs for one day:
In each day ana needs 40x2 mg of medicine, they come in tablets of 15 mg. In one day, she needs 80 / 15 = 5 and 1/3 of a tablet.
In two days, she needs double that amount. (5 and 1/3) x 2 = 10 and 2/3
Answer:
4x + 1
Step-by-step explanation:
g(f(x)) = (4x + 3) - 2
= 4x + 1
Answer:
which graph send it please
Step-by-step explanation:
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