Answer:
see below
Step-by-step explanation:
4(5n-7)+10n+2
Distribute
20n -28 +10n+2
Combine like terms
30n-26
Assuming you meant =
4(5n-7)=10n+2
Distribute
20n -28 =10n+2
Subtract 10n from each side
20n-10n-28 = 10n-10n+2
10n-28 =2
Add 28 to each side
10n-28+28=28+2
10n=30
Divide by 10
10n/10 =30/10
n=3
9(x+3)=4x-3
Distribute
9x+27 = 4x-3
Subtract 4x from each side
9x-4x+27 = 4x-4x-3
5x +27 =-3
Subtract 27 from each side
5x+27-27 = -3-27
5x = -30
Divide by 5
5x/5 = -30/5
x=-6
2(12-8x)=x-11x
Combine like terms
2(12-8x) = -10x
Divide by 2
12-8x = -5x
Add 8x to each side
12-8x+8x = -5x+8x
12 = 3x
Divide by 3
12/3 =3x/3
4=x
Answer:
Lets a Go!!
Step-by-step explanation:
i) (3x + y) + 2 y (x-4)
= 3x+y + 2yx - 8y
= 3x-7y+2yx
This is the simplest form of equation
Answer:
Step-by-step explanation:
i dont know u tell me
Answer:
C
Step-by-step explanation:
C is the common letter in both angles
Answer:
1st option
Step-by-step explanation:
the constant of proportionality is the cost divided by number of patrons
$49.96 ÷ 4 = $12.49
$74.94 ÷ 6 = $12.49
$87.43 ÷ 7 = $12.49
Thus each movie ticket costs $12.49