dezariaspencer dezariaspencer

02-05-2018
Mathematics

contestada

Solve the system using the substitution method
4x+6y=8
3x+y=9

Respuesta :

fatehahnordin9p7wo43 fatehahnordin9p7wo43

02-05-2018

4x+6y=8
3x+y=9

y = 9 - 3x

4x + 6(9-3x) = 8
4x + 54 - 18x = 8
14x = 46
x = 23/7

y = 9 - 3(23/7)
y = 9 - 69/7
y = - 6/7

Answer Link

Otras preguntas

in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.

What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?

Why is sodium sulphate hemihydrate called as "Plaster of Paris"?

you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot

What were the major causes of WWII? Please include at least 4 answers.

how were north american colonies all similar in the 1700s?

The function of the eardrum in the middle ear is to

in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.

in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.

What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?