3 years ago

Solve for y please! 7x + 8y = -12

Mathematics

2 answers:

Nookie1986 [14]3 years ago

8 0

7x + 8y = -12
8y = -12-7x
y= -12-7x/8
simplest form:
= -19/8
= -2 3/8 or -2.357

Mrac [35]3 years ago

6 0

Step-by-step explanation:

7x + 8y = -12

8y=-12-7x

$\frac{ - 12 - 7 x}{8}$

You might be interested in

I dont understand this

algol13

Answer:0,3 for y and 4,0 for x

the second one is 0,6 for y and for the x it will be -3,0

Step-by-step explanation:

8 0

3 years ago

Morgan knows that 3 gallons of water weigh 25 pounds.<br> How much do 10 gallons of water weigh?

olga_2 [115]

The full answer would be 83.454 but you can just say 83 pounds. Both are right

8 0

3 years ago

1. Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 24. How old is each

Andre45 [30]

Answer:

a) Let Kim's age be k, then Kim's sister's age is k/2

k+ $\frac{k}{2}$ =24

b) k+ $\frac{k}{2}$ =24

1 $\frac{1}{2}$ k=24

k=16

$\frac{k}{2}$ =8

Kim's age is 16 while her sister's age is 8.

5 0

3 years ago

$42 is 35% of what amount of money

sweet [91]

Answer: 14 dollars and 70 cents

Step-by-step explanation:

3 0

3 years ago

while digging in the background, you find an old coin. its mass is 26.76 g qnd its volume is 3cm3. what is the coin made of?

tresset_1 [31]

Answer:

the coin is made of copper.

Step-by-step explanation:

4 0

3 years ago