Two times the sum of half a number and six is four. Find the number.

The number is:

-8

Step-by-step explanation:

2(a/2 + 6 ) = 4

2*a/2 + 2*6 = 4

2a/2 + 12 = 4

a + 12 = 4

a = 4-12

a = -8

Check:

2(-8/2 + 6) = 4

2(-4+6) = 4

2*2 = 4

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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