Help!!

What equation is equal to this 1/2 (x + 6) =
A.1/2 • x + 3
B.2 • x + 3
C.1/2 • x + 6
D.(1/2 • x) + 3

Which expression is equivalent to the following expression: (There are 2 answers)
5.3 – y + 4.2

A. y - 9.5

B.–y + 9.5

C.9.5 – y

D.4.2 - y

E.5.5 + y + 4.2

equation is equal to this 1/2 (x + 6) =

A.1/2 • x + 3

B.2 • x + 3

C.1/2 • x + 6

D.(1/2 • x) + 3

Which expression is equivalent to the following expression: (There are 2 answers)

5.3 – y + 4.2

A.y - 9.5

B.–y + 9.5

C.9.5 – y

D.4.2 - y

E.5.5 + y + 4.2

Step-by-step explanation:

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x