Question

у = 3х – 4
9x — Зу = 14
solve using the substitution method

Answer 1

Answer:

a=3x-y

x=y/3+14/9

Step-by-step explanation:

9x-3y=14 add 3y to both sides

9x=14+3y the equation is in standard format

and you can use Microsoft math solver to help solve and show how to solve then step by step

Answer 2

Answer:

there is no answer

Step-by-step explanation:

Picture attached

(a proof for that would be drawing two graphs, we will see that the two lines won't cut each other at any point as we knew (cause two slopes are equal))