nicenor nicenor

19-06-2020
Mathematics

contestada

9x - 3y = -42 and -9x + 8y =22

Respuesta :

19-06-2020

Answer:

(-5 1/9, -4)

Step-by-step explanation:

Add the equations

5y=-20

y=-4

-9x+8(-4)=22

-9x-32=22

-9x=46

x= - 5 1/9

Answer Link

Otras preguntas

Which modifier correctly completes the sentence? The blue whale __________ weighs more than 100 tons. a. usually b. most usually c. usual d. more usually

Tanya’s swim club increased their $29 membership fee by $6 a year. What is the approximate percent increase in the membership fee?

Why is a block of gold more dense than a block of iron of equal size ?

The quotient of a number and 4 is 6. Find the number

If a 10-pound sack of potatoes costs $6.55, how much would 1 pound cost? Round your answer to the nearest cent.

In a(n) ________, _______ primary, only declared members of the party can vote on that party's candidate. A) closed/nonpartisan B) open/runoff C) closed/direct

The specific gravity of water is 1.0. True False

If f(x) = 1 – x, which value is equivalent to |f(i)|? options are: a. 0 b. 1 c. √2 d. √-1

Which statement best summarizes the purpose of Article IV of the Constitution? Article IV outlines the powers given to state governments. Article IV outlines th

In a(n) ________, _______ primary, only declared members of the party can vote on that party's candidate.