stephensonsandra35 stephensonsandra35

Today at 8:43 AM
Mathematics

Answered

x + 9y = 8 x − 4y = –18

Answer :

asmaNasr asmaNasr

Today at 8:48 AM

Step-by-step explanation:

[tex]x + 9y = - 18 \\ 8x - 4y = - 18 \\ x = - 18 - 9y \\ 8( - 18 - 9y) - 4y = - 18 \\ - 144 - 72y - 4y = - 18 \\ - 76y = 126 \\ y = - 1.66 \\[/tex]

[tex]x = - 18 - 9y \\ x = - 18 - 9( - 1.66) \\ x = - 18 + 14.94 \\ x = - 3.06[/tex]

Answer Link

Other Questions

Add use model if need (4x+5) + (15x-3

Identify the type of subordinate clause in the following sentence. If we don't run late, we will get good seats. If we don't run late is the italicized part nou

A thermostat is able to control the heating systems in a home by using which of the following properties of metals? 1. thermal expansion and contraction 2. free

If you want to find the answer to a question about grammar, usuage, or mechanics, for your formal writing, which professional resource would not be helpful? A.

How would soil fertility likely change during the early years of primary succession?

which of the following hormones secreted by the endocrine cells TSH LH thyroxine somatostatin fsh Oxytocin and prolactin how many hormones secreted by anterior

label and describe the following window

organelle other than nucleus containing DNA is a-chloroplast b-Golgi apparatus c-lysosomes d-endoplasmic reticulum

find the smallest number by which the given number must be multiplied so that the product is a perfect square 23805

Name the place in india situated on three seas name the seas as well

What is the answer for film study guide: the birds

Which of the following families contains elements that will not form compounds? metalloids halogens noble gases strong metals

1. there were 136 students and 34 adults in the concert. if 85% of the seats were filled how many seats are in the auditorium? 2. 40% = 32/x

explain what Oedipus's responses to Teiresias tell us about Oedipus.

adrian currently has $500 in his savings account. He saves $10 per month. He saves the same amount each month and does not take any money out of the account. In

How is the comma used as an interrupter in this sentence? only one answer. Joe, the coach, is sick. A.appositive B.direct address C.parenthetical expression D.

Which statement was part of an initial draft of the Declaration of Independence, but not part of the final version of the Declaration of Independence? A. The Un

Determine whether the sequence is arithmetic or geometric. Sequence 1: 32, 16, 0, –16, ... Sequence 2: 32, 16, 8, 4, ... Which of the following statements are t

what are some function of magnesium?

how does west african music and dance influence music today