Answer:
Sammy is 8 years old
Step-by-step explanation:
3s + 4 = 28 is the equation you need to use you have to get s on its own to find Sammy's age
3s + 4 = 28 subtract 4 from both sides
3s = 24 divide both sides by 3
s = 8 Sammy is 8 years old
Answer:
n=42
Step-by-step explanation:
X axes are supposed to be positive and the y is negative.
-3x + y = 1 ............. the general form is y= mx +b .................y = 1 + 3x
...........................
Y = 3x + 1