LuqmanJ130597 LuqmanJ130597

29-10-2022
Mathematics

contestada

solve systems substitution. y=4x-9 7x-6y=3

Respuesta :

YaroslavM280011 YaroslavM280011

29-10-2022

y=4x-9 (a )

7x-6y=3 (b)

Replace the value of y (a) on (b) and solve for x:

7x - 6 (4x-9) = 3

7x -24x + 54 = 3

7x-24x = 3-54

-17x = -51

x = -51/-17

x = 3

Replace x=3 on (a) and solve for y

y= 4(3)-9

y= 12-9

y= 3

solution:

x=3

y=3

Answer Link

Otras preguntas

was constantine educated?

Thirty three million twenty four thousand two hundred twelve in standard form

what 6 things in modern society were influenced by Roman culture

What are three examples of human features that you might use to describe a place?

Solid fats and sweets are generally ___________________?

Which value of x makes the equation true? x – 6 = –14 a. 8 b. –8 c. 22 d. –22

What is the solution to the equation –13+x = –4? a. –17 b. 9 c. –9 d. 17

Which answer explains the correct way to move the decimal to find the quotient of 23.8 × 100? a. two places to the left b. two places to the right c. three p

How do you solve 3/4x-9=27

i deposited $1,050.00 into a savings account. If the interest rate is 1.5% then how much will i have after 18 months?