Answer:
Second option: (-2,-3) and (1,0)
Step-by-step explanation:
Given the system of equations
, you can rewrite them in this form:

Simplify:
Factor the quadratic equation. Choose two number whose sum be 1 and whose product be -2. These are: 2 and -1, then:

Substitute each value of "x" into any of the original equation to find the values of "y":

Then, the solutions are:
(-2,-3) and (1,0)
t/3 is your expression.
feel free to add me as a friend as I am very good at math.
45/5 = 9 jams a day
x/7 = 9
x= 63 jams a day
Hope this helps!
-12ab+7a power of 2 +a 11