Answer:
x = 1/4
Step-by-step explanation:
−12x=−3 (Given)
x = 0.25 (Divide) (value became positive because negative was divided by negative).
0.25 in fraction = 1/4
The unit rate is 1/5. The plant grows 1 inch per 5 days.
The equivalent decimals for 21/40 is 0.525
The answer is 8 2/4.
(ignore this part because i just need more words lol)

First we'll multiply the second equation by -2

Now let's add the new equation and the first one.

We found y's value. We'll plug it in one of the equations to find x's value.

Solution ;
(9, -6)