Solve the system of equations using multiplication. 3x – 3y = –3 5x – y = –13 what is the solution of the system?

ANSWER

The solution is

x=-3,y=-2

EXPLANATION

First equation

3x – 3y = –3

Second Equation:

5x – y = –13

Multiply the second equation by 3 to get:

Third equation:

15x-3y=-39

Subtract the first equation from the third equation:

Divide both sides by 12,

Put x=-3 into the first equation:

Group like terms,

The solution is

x=-3,y=-2