3 years ago

Triple a number, decreased by six is twenty-one, write an equation PLs, HURRY UP THIS IS URGENT!

2 answers:

7 0

Answer:

(9×3)-6= 21

I'm sorry if im wrong

(y×x)-6=21

(^i don't know what that is)

4 0

3n - 6 = 21 is it that?

You might be interested in

arlik [135]

7 teachers because 3 x 9 = 27 and 96 - 27 = 69, 69 divided by 9 is 7 remainder something

5 0

3 years ago

Reika [66]

Answer:

x = 25

Step-by-step explanation:

x + 25 + 2x - 10 + 90 = 180

3x + 105 = 180

3x = 75

x = 25

5 0

3 years ago

Liono4ka [1.6K]

The answer is B. 315

6 0

3 years ago

Ber [7]

The answer is B. Your welcome

4 0

3 years ago

docker41 [41]

The answer is B:
${x}^{4} + 8 {x}^{2} - 9$
$= ( {x}^{2} + 9)( {x}^{2} - 1)$
$= (x + 1)(x - 1)( {x}^{2} + 9)$
Hope this helped

3 0

3 years ago