debiaso2005amd debiaso2005amd

10-02-2020
Mathematics

contestada

Find a solution for 5x+4y=-30 and 3x-9y=-18

Respuesta :

guskarose guskarose

10-02-2020

{5x + 4y = -30

{3x - 9y = -18 | : 3

{5x + 4y = -30

{x - 3y = -6 | + 3y

{5x + 4y = -30

{x = 3y - 6

{5(3y - 6) + 4y = -30

{x = 3y - 6

{15y - 30 + 4y = -30 | + 30

{x = 3y - 6

{19y = 0 | : 19

{x = 3y - 6

{y = 0

{x = 3 · 0 - 6

{y = 0

{x = -6

Answer Link

Otras preguntas

True or False. Repeated drug use may lead to drug tolerance which occurs when a user requires larger amounts of the drug to achieve the desired effect.

The table shows values for functions f(x) and g(2) What is the solution to f(x) = g(x)? Select each correct answer. X= -2 X= -1 X= 0 X= 1 X= 2

Which of these options for saving money offers the most liquidity

What is the slope of (-1, 6) and (2, -3)

ving Linear Equations in One Variable - Item 8088The sum of two consecutive odd numbers is 40. If the first number is represented by x,which equation can you us

Without extensive medical intervention (high tech equipment in modern hospitals) it is unusual for human babies weighing under 3 pounds or over 13 pounds to be

which should i choose

Which disc store compacity for full lenght movie? dvd or cd

when was the first testament

What did Columbus promise to do for Ferdinand and Isabella of Spain when they agreed to fund his voyages? to name all the lands he found after them to give th