How do I solve 9a-7=110

2 answers:

6 0

You'll need to isolate 9a on the left side of this equation
Please add 7 to both sides of the eqn, obtaining 9a = 117.

Solve for a by dividing both sides by 9: a = 117/9 = 13 (answer)

Pepsi [2]2 years ago

4 0

$9a-7=110$

$9a=110+7
$

$9a=117
$

$a= \dfrac{117}{9}$

$a=13$

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Answer:

Step-by-step explanation:

8 0

2 years ago

What is 3/4 of 16/21? worked out please

timofeeve [1]

Of means multiplication

So

$\frac{3}{4} \sf{of} \frac{16}{21} = \frac{3}{4} \times \frac{16}{21}$

And then simplify the numerator ad denominator

= $\frac{3 \times 16}{4 \times 21} = \frac{\ 1 \times 16}{4 \times 7}$

And simplify the numerator and denominator again

= $\frac{\ 1 \times 16}{4 \times 7} = \frac{\ 1 \times 4}{1 \times 7}$

And we are finally left with the answer which is $\frac{4}{7}$