3 years ago

F(7)+x F=2x+5x how do i solve this?? Someone please help exam tmrw

Mathematics

1 answer:

8090 [49]3 years ago

6 0

Answer:

49-7F

Step-by-step explanation:

F(7)+xF=2x+5x

F(7)+xF=7x

F(7)=7x-xF

F(7)=x(7-F)

substitute x=7 in the equation above

Therefore, 7(7-F)

=49-7F

You might be interested in

Sorry if it’s low quality but I need a little help with this question.

DiKsa [7]

Answer:

340 in.

Step-by-step explanation:

L x W x H

17 x 4 x 5 = 340

3 0

2 years ago

PLEASE HELP ME!!!<br><br> I don't understand....<br> If possible, please explain!

goblinko [34]

What do you need help with? lol

7 0

3 years ago

Read 2 more answers

"What is the scale factor of the following if YZG is dilated to RBP?"

Nataly [62]

Answer:

1/2

Step-by-step explanation:

5 0

2 years ago

- 9 (K - 17 ) = 54 please solve

kirza4 [7]

Answer: k=11

Step-by-step explanation:

7 0

2 years ago

Help me please fast

Natalija [7]

Answer:

Step-by-step explanation:

$\frac{5}{x-3}+\frac{2}{x+1}=3 \\\\\frac{5(x+1)+2(x-3)}{(x-3)(x+1)} =3\\\\5x+5+2x-6=3(x-3)(x+1)\\\\7x-1=3(x^2+x-3x-3)\\\\7x-1=3(x^2-2x-3)\\\\7x-1=3x^2-6x-9\\\\0=3x^2-6x-7x-9+1\\0=3x^2-13x-8$

Hence proved!

3 0

2 years ago