6) Select the best method to solve the system. 5x-4y=7
4x-4y=12

*elimination
*substitution

Elimination

x=-5 and y=-8

Step-by-step explanation:

-(5x-4y=7) <--- Multiply by a negative so that y can cancel out

4x-4y=12

=-5x+4y=-7

  4x-4y=12

=-x=5

  x=-5

5(-5)-4y=7 <--- plug x back in to solve for y

-25-4y=7

+25     +25

-4y/-4=32/-4

y=-8

option 1

data plot with   3 dots over 33, 1 dot over 34, 2 dots over 35, no dot over 36, 1 dot over 37, 2 dots over 38, 4 dots over 39, and 2 dot over 40.

idk lol xd

step-by-step explanation:

ez do it yourself lazy