Question

use the method of substitution to solve the sysem of linear equations.... 3x-y=3 7x-2y=9

Answer 1

or using elimination method,

Answer 2

no, its sustitution

Answer 3

Well, substitution is easier to illustrate, anyhow :D
From the first equation
3x - y = 3

Make it so that y is on one side of the equation, and everything else is on the other.

Answer 4

let me see what you get,

Answer 5

ill guide you there

Answer 6

3x-y=3 (1) solve for y here and sub it to eq 2
7x-2y=9 (2)