Answer:
15-5y
Step-by-step explanation:
To distribute, multiply everything inside the parentheses by the number outside the parentheses.
5(3-y)
Multiply 5 by 3-y
(5*3)+(5*-y)
15-5y
Answer:
Step-by-step explanation:
40
For number 9 it's x+8= 14 and 7x=21
For number 10 the answer is that Beth is correct because the only number that could be replaced for x would be 2. There is no number besides 2 that you could put in the equation x+3=5 to get the answer 5.



Use the distributive property to multiply 1/5 by 4-3x.

Multiply 1/5 and 4 to get 4/5.

Multiply 1/5 and -3 to get -3/5.

Use the distributive property to multiply 1/7 by 3x-4.

Multiply 1/7 and 3 to get 3/7 & 1/7 × -4 to get -4/7.

Subtract
from both sides.

Combine
and
to get
.

Subtract 4/5 from both sides.

The least common multiple of 7 and 5 is 35. Convert -4/7 and 4/5 to fractions with denominator 35.

Because
and
have the same denominator, subtract them by subtracting their numerators.

Subtract 28 from -20 to get -48.

Multiply both sides by
, the reciprocal of
.

Multiply
by
by multiplying the numerator by the numerator and the denominator by the denominator.

Carry out the multiplications in the fraction
.

Reduce the fraction 1680/1260 to its lowest terms by extracting and cancelling out 420.

It's 6/12 then 1/2. Good luck