Answer:
6
Step-by-step explanation:
9-3=6
Answer:
See explanation
Step-by-step explanation:
Assuming your system is:


Then make x the subject in the first equation to get:

Put this equation into the second equation to get:





This means that:


Both recipes would add up to 1 5/12 this is using the black widow way
Answer:
infinite
Step-by-step explanation:
because there is an infinite amount of numbers there is an infinite amount of solutions