amandaoneal18 amandaoneal18

22-11-2019
Mathematics

contestada

Solve the linear equation by using substitution X-y=-4 3x-y=-10

Respuesta :

Yang100 Yang100

30-11-2019

Answer:

(-3, 1)

Step-by-step explanation:

x-y=-4

3x-y=-10

------------

y=x-(-4)=x+4

3x-(x+4)=-10

3x-x-4=-10

2x-4=-10

2x=-10+4

2x=-6

x=-6/2

x=-3

-3-y=-4

y=-3-(-4)=-3+4=1

x=-3, y=1. (-3, 1).

Answer Link

Otras preguntas

1. Several tomato plants are grown indoors next to a sunny window. The plants receive water and fertilizer and remain on the windowsill. What will most likely h

in what ways did reform movement benefits from the contribution of both men and women

A collection of dimes and nickels is worth $6.90. There are 96 coins in all. How many of each coin are there?

a) Calculate the volume of the tent. b) How much nylon is required to make this tent?

What was the option given in 1986 to illegal aliens to become legal residents? a. Origin Requirement Act c. Immigration Reform and Control Act b. Immigration Co

What was similar and different about the elections that brought defeat to the ruling governments in the Philippines and in Burma?

why was acquiring Guam important for the United States in the Spanish American war

From left to right the first three digits of a 4 digit number add up to 14. Which digit could be in the ones place of its divisible by 3? A. 3 B. 1 C. 0 D. 2

How important do you think the development of advanced mathematics was in the creation of the Maya calendar?

What Are The Main Complaints And Demand Of The People In The Non Democratic Country?