KatTheMuffin KatTheMuffin

14-08-2017
Mathematics

contestada

Seven times the difference of 9 and a number amounts to 84. Find the number.

Respuesta :

koziadam koziadam

14-08-2017

7 * (n-9) = 84
7n - 63 = 84
7n = 147
/n /n
n = 21

Therefore the number is 21.

Proof:

7 * (21-9) = 84
7 * 12 = 84
84 = 84

Answer Link

Otras preguntas

What do you think was the most serious problem faced by settlers in Virginia? Why?

Why was FDR's Court Packing Plan a mistake?

luisa has 183 pennies. hert dad gives her 128 more write a number sentence to show many pennies luisa has now

Subtract: 6lb 4oz - 2lb 10oz

What do you think was the most serious problem faced by settlers in Virginia? Why?

Ryker is given the graph of the function y= 1/2x^2 - 4 . He wants to find the zeros of the function but is unable to read them exactly from the graph. Find the

what are at least 5 general PowerPoint guidelines that's you find useful and provide an example of how you would use each in real life setting

[(24+16) divided by 8 times 5)]=? Please answer pllleeeaaaasee.

does anybody know how to write 45/70 in simplest form????

Is Smoking in Japan Illegal? Please help me :)