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2 years ago

Select the correct choice that completes the sentence below.

Mathematics

2 answers:

vodomira [7]2 years ago

4 0

$\sf \red⇛ \green {3a + 1 = 16}$

Move the constant to the right-hand side and change its sign to minus sign since it is in plus

$\sf \red⇛ \green{3a = 16 - 1}$

Subtract the numbers

$\sf\red ⇛ \green{3a = 15}$

Divide both sides of equation by 3

$\sf \red⇛ \green{a = 5}$

On observing the above steps, Option B is correct!
First step is subtraction then division

Trava [24]2 years ago

3 0

Step-by-step explanation:

first we arrange the equation properly

secondly 3a=16-1 or 3a=16-1=15

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