20% decrease should be the answer
Answer:
y= -x-2
Step-by-step explanation:
y=ax+b
x= -2; y=0 => 0=-2a+b; b=2a
x= -1; y= -1 => -1=-a+b => b=a-1
2a=a-1=> a= -1; b= -2
=> y= -x-2
X + x + x + x - 20 is equivalent to 4x - 20 because you can add the like terms, or the x's.
LolAnswer:
Step-by-step explanation:
