sweettea12 sweettea12
  • 13-02-2021
  • Mathematics
contestada

Solve the system of equations by substitution. What is the solution for x?
2x + y = 1
4x + 2y = -1 ​

Respuesta :

ridinhomukuma
ridinhomukuma ridinhomukuma
  • 13-02-2021

Answer:

x=0.875

Step-by-step explanation:

2×+y=1

y=0.5

4×+2y=-1

4×+2.5=-1

1+2.5=4x

3.5=4x

x=0.875

Answer Link

Otras preguntas

Elige el pronombre o adjetivo relativo apropiado. La herida por __________________ me perdí la carrera me duele mucho. El teatro ___________________ fui era rea
Three-eights of the seven grade students were taking advanced math at the beginning of the year, but seven dropped out by the end of the year. If there were 140
Question 18 (1 point) What is the pH of a buffer that is 0.086 M HF and 0.386 M LiF? The K₂ for HF is 3.5 x 10-4. Your Answer: Answer
Wich of the following factors affect Blood Alcohol Concentration (BAC)? a.Age b.gender c.Body type d.All of these factors influence BAC
PLEASE HELPP! ORDER THE NUMBERS FROM LEAST TO GREATEST
What is the value of x? Show your work. 20x⁰ 8x° 17x PLEASE I NEED HELP ​
Where is the green florescence gene added in the plasmid? Why?
2. Use the areas of the two identical squares to explain why 5² + 12² = 13² without doing any calculations.
A. i. only B. ii. only C. i. and iii. only D. ii. and iii. only talem i. They use traditional methods to produce goods. ii. They have a level of government cont
How about a gas regulated at the cell,organ,and body system level?Give an example of cellular level and body system level