Answer:
x=1
y=-4
Step-by-step explanation:
4x+y=0 -> y= -4x
2(-4x)+x=-7
-8x+ x=-7
-7x=-7
x=-7/-7=1
y=-4 . 1 = -4
Answer:
take a brain break
Step-by-step explanation:
take a drink from the fridge add some refreshing ice sqeeze the the living heck out ur ju and enjoy some sugur in it and enjoy
Answer: 4
Step-by-step explanation:
x - 2y =10
x = 10 + 2y



... cancel like terms (y + 5)
= 4