Step-by-step explanation:
= (1 + 5z)(-4)
= (1 + 5z) × (-4)
= 1.(-4) + 5z. (-4)
= -4 - 20z
Answer:
a) -6
b) 9
c) 27
Step-by-step explanation:

Answer:
2 1/6
Step-by-step explanation:
9 1/2 - 7 1/3
to improper
19/2 - 22/3
= 2 1/6
Answer:
The expression will be 
Step-by-step explanation:
We have given the expression 
We have to write this expression in kkxxnn form , here kk is real number and nn is integer
We know the property of exponent that when two function are multiplied thn their exponent are added
So 
Here kk = 2 and nn = 15
Answer:
x = 2/3
Step-by-step explanation:
cross multiply
-9(x-4) = 10(3x+1)
and then solve the equation
-9x + 36 = 30x + 10
36 = 39x + 10
26 = 39x
x = 2/3