kaitie454 kaitie454

06-09-2021
Mathematics

contestada

2x + 5y = 1 is multiplied by 4

Respuesta :

Аноним Аноним

06-09-2021

Answer:

APPLY THIS METHOD→→

x+y=4 ___(1), 2x−5y=1__(2)

multiply eq. (1) by 2.

and then subtract eq. (2)

2x+2y=8

2x−5y=1

- + -

____________

7y=7

y=1

x+y=4

x+1=4

x=3

Answer Link

Otras preguntas

A rectangular field with perimeter of 80m is to have an area of at least 380m² . Describe the possible lengths and of the field.

Post-lab questions hat are two possible sources of error in the experiment? explain 2. When an acid reacts completely with a base the process is often called ne

Which secondary structural changes most likely took place in the peptide as result of adding tfe? the secondary structure of the poly-l-lysine changed from:____

A client has been diagnosed with congestive heart failure. This client's cardiac function has been compromised since the client suffered a myocardial infarction

without solving, determine the character of the solutions of the equations in the cimplex number sytem

What’s the forecasted capital expenditure based on the information below? Net PP&E beginning of period: 15,000 Net PP&E end of period: 17,500 Depreciati

You are enrolled in a federal, state, or local program that aids students from low-income families (e.g., GEAR UP, TRIO such as Upward Bound or others).

9. Select the correct vocabulary word to correctly complete the sentence. Every citizen of the small town excitedly gathered to hear the speech by the distingui

Reverse the two digits of my age, divide by three, add 20, and the result is my age. How many years old am I

identify the type of sampling used: Random, systematic, convenience, stratified, or cluster. To estimate the percentage of defects in a recent manufacturing bat