kevinbrown844 kevinbrown844

21-01-2020
Mathematics

contestada

4x+7y=-14 x+4y=-8
Solve by substitution

Respuesta :

surjithayer10otahza surjithayer10otahza

21-01-2020

Answer:

x=0

y=-2

Step-by-step explanation:

x+4y=-8

x=-4y-8

4x+7y=-14

4(-4y-8)+7y=-14

-16y-32+7y=-14

-9y=-14+32

-9y=18

y=-2

x=-4*-2-8=8-8=0

Answer Link

Otras preguntas

Optimization? The top and bottom margins of a poster are each 6 cm and the side margins are each 4 cm. If the area of printed material on the poster is fixed at

Who sang "A Moment Like This" before Kelly Clarkson? Does anyone know who originally sang that song that goes, "Some people wait a lifetime, for a moment like t

What is the molar heat capacity of liquid water? ________J/mol·°C?

what is 4 and3/4 × 4 and 1/8

If a monopolist or a perfectly competitive firm is producing at a break-even point, then: i. average revenue is equal to average variable cost ii. average reve

what is the area of a triangle length 2.5 height 8.75

What does govern yourself accordingly mean? What does govern yourself accordingly mean?

What animals start with y ? need to know plz

Use the card collection box-and-whisker plot to solve. In which quarter are the data most concentrated? A. first quarter B. second quarter C. third quar

Kinsey knows that 8x7 is 56 use the drop down menu to show how she can use this knowledge to find 8x6 a.-1 b. +1 c.-6 d.-8 e.+8