Question

Use the substitution method to solve the system of equations. choose the correct ordered pair. ​

Answer 1

Answer:

The correct answer would be B

Step-by-step explanation:

Here is a easy way to do this!

So u have 14 and a 2

14-2=12

And 6x2=12 so we know the first number is 6

The 3 is the next number because the 3 fits in

3x2=6

So the answer would be B

Note:*This method does not always work but this is a easy way to do this*

By: /Brainlyz/

(This is for the people who are learning this)

“Good luck!” ~_^

Answer 2

Answer:

B.      (6,3)

Step-by-step explanation:

14x - 2y = 78

2x - 2y = 6

-2y/-2 = (6 - 2x)/-2

y = -3 + x

substitute this y in for the y of the first equation

14x - 2(-3+x) = 78

14x + 6 - 2x = 78

12x + 6 = 78

12x = 72: x = 6

use x to plug into 2nd equation to make life easier

y = -3 + (6)

y = 3

(6,3)