Answer:
-6x + 21
Step-by-step explanation:
9 - 3(2x - 4)
9 - 6x + 12
-6x + 21
Answer:
1 = x and -2 = y
I am fairly happy with this answer
You can download answer here
shorturl.at/ipxUY
Not sure is this is right but if the chemist wants to make the solution 35% acidic then he can use all of the 30% acid and 5% of the 45% acid.
