A. When solving the system of linear equations 6x+y = 1 and 7x+2y = -3 with substitution, it is easiest to first solve the equat

Question

2 years ago

7

ion _6x+y=1_for_y_. When this is done, -y_ is equal to _6x+1
b. What is the solution to the system of linear equations in part a?

I need help with b

1 answer:

nalin [4] · Answer 1 · 2022-06-05T04:06:57+03:00

nalin [4]2 years ago

3 0

Answer:

6x + y = 1

y = 1 - 6x

7x + 2(1 - 6x) = -3 substitute 1 - 6x in for y

7x + 2 - 12x = -3 combine like terms

2 - 5x = -3 subtract 2 from both sides

-5x = -5 divide by -5

x = 1