WILL GIVE BRAINLIEST

Please Help FAST


I have 3 questions for math


1. Two lines have the given equations. Use the Linear Combination Method to solve.


2x-y=1


3x-y=-6



2. Solve the system of equations using the Substitution Method



4x+2y = 10


y = 4x + 2



3. Solve the system of equations using any method



6x – y = 2


y = 3x + 4


WITH WORK PLEASE