Solve the given equation.

28 = x - 5

x = 33

Step-by-step explanation:

We have the equation x - 5 = 28 and are asked to solve it.

To solve, we need to find "x", to do that, we need to get x alone.

x - 5 = 28

Add 5 to both sides :

x = 33

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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