Question

Solve the system, using substitution. What is the x coordinate of the solution?
x = 2y - 2 and 3x - y = 14
A. 6
B. 4
C. 1
D. 0
E. no solution

Answer 1

whats the answer

Answer 2

3x - y = 14

3(2y-2) - y = 14 ... replace x with 2y - 2

6y - 6 - y = 14

5y - 6 = 14


I'll let you finish up

Answer 3

i dont know how to do this

Answer 4

so one solution?

Answer 5

are you able to solve 5y - 6 = 14 ?

Answer 6

yeah so its a?

Answer 7

what solution do you get for y?

Answer 8

how did he do that?

Answer 9

you*

Answer 10

which part?

Answer 11

The solving part and was 4 the answer?

Answer 12

have a look at this article

http://www.purplemath.com/modules/solvelin.htm

be sure to go through the 4 pages