reynarrome2 reynarrome2

03-04-2021
Mathematics

contestada

If x−2y=−1 and 8x+4y=5 are true equations, what would be the value of 7x+6y?

Respuesta :

Hrishii Hrishii

03-04-2021

Answer:

7x + 6y = 6

Step-by-step explanation:

x - 2y = - 1..... (1)

8x + 4y = 5...(2)

Subtracting equation (1) from equation (2)

8x + 4y - ( x - 2y) = 5 - (-1)

8x + 4y - x + 2y = 5 + 1

8x - x + 4y + 2y = 6

7x + 6y = 6

Answer Link

Otras preguntas

Which geometric shape can be described as a fixed distance along a line?

Jocelyn Denot took out a $4,800 installment loan at 17% for 12 months for remodeling expenses. Her monthly payments were $437.78. After five payments, the balan

A researcher collected archaea and protists from a thermal vent. how do the cells of these two organisms differ?

What number would you add to the equation below to complete the square?x^2 + 4x = 0

HELP ME PLEASE PLEASE this is the 2nd time I asked this

How do I do this problem?

PLEASE HELP ME CORRECT MY SPANISH SENTENCES!!! 1. Yo quiero dibujar. 2. Yo quiero escuchar la musica. 3. Ella la gusta trabajar. 4.El quiere buscar el perro. 5.

What percentage of the world population served in ww2?

7. mAOB = 4x  1; mBOC = 2x + 15; mAOC = 8x + 8 8. mCOD = 8x + 13; mBOC = 3x  10; mBOD = 12x  6 9. ABC and EBF are a pair of vertical angles; mABC

According to ich e6 gcp, an inspection is defined as: