aminiveal aminiveal

01-12-2020
Mathematics

contestada

3х - 7y = 13
6х + y = 7
Elimination!! Pls help guys

Respuesta :

sallymiguel02 sallymiguel02

02-12-2020

Step-by-step explanation:

(3х - 7y = 13)×-2

6х + y = 7

-6х +14y = -26

6х + y = 7

15y=-19

y=-19÷15=-1.26

6x+-1.26=7

6x=7+1.26

6x=8.26

x=1.37

Answer Link

Otras preguntas

The French sent explorers to North America in the early 1500s to

What is an electrolyte solution?

It's urgent please help! find the perimeter of the triangle with vertices listed (-5,2), (3,2), (1,6)

give two things that grew in Italy during the Renaissance.

ABC Corporation is considering the purchase of a machine that would cost $170,000 and would last for 5 years. At the end of 5 years, the machine would have a sa

Can someone help me please? Thanks!!

a group of 50 people were asked their gender and if they liked cats. the data from the survey are shown in the ben diagram. determine the value in the two-way t

f(x) = x^2. What is g(x)?

Which angle of rotation is an angle of rotational symmetry for all figures?

Bonds often pay a coupon twice a year. For the valuation of bonds that make semiannual payments, the number of periods doubles, whereas the amount of cash flow