Question

a) The sum of a number x and 4 is doubled.​

Answer 1

Answer:

2 (X+4 ) = 2x+8

Step-by-step explanation:

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Answer 2

Answer:

2x+8

Step-by-step explanation:

given is number 'x' and '4'

their sum = x + 4

double of their sum = 2(x + 4)

= 2x + 8

so the final answer is 2x + 8