Answer:
Y=-4x-5
Step-by-step explanation:
-21=-4(4)+b
-21=-16+b
b=-5
y=-4x-5
Answer:
Im not sure about 20 but 22 is 48
Step-by-step explanation:
4×96 =384
384÷8 = 48 orange per classroom
Answer:
I don't know how to do it the subject
first equation equivalent to
4x+8y=28
substract with second equation
-2x=22
divide with -2
x=-11
substitute to first equation
8y=28-4(-11)
8y=72
divide with 8
y=9
so the solution is (-11,9)