3t+12-4t-6=-4
-t=-4+6-12
-t=-10
t=10
That's your answer.
Answer:
He is 13 years old
Step-by-step explanation:
32-45=-13
the opposite of -13 is positive 13
Quotient of means divide (place division symbol where "and" is located)
-6 ÷ y or
Answer:
y = 36x
Step-by-step explanation:
Given that y varies directly as x, then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 18 when x =
, thus
k =
=
= 36
y = 36x ← equation of variation