[질문] 등식y에관하여풀어라(1)x=3y+2(2)5x+3y-3=x+y(3)6x+4y-3=4x+2y+7 (3문제임식도)

(1)x=3y+2->-3y=-x+2->3y=x-2->y=x-2/3(2)5x+3y-3=x+y->3y-y=x-5x+3->2y=4x+3->y=2x+3/2(3)6x+4y-3=4x+2y+7->4y-2y=-6x+3+4x+7->2y=-2x+10->y=-x+5