2 years ago

What is 13+6b=-5(7-6b)

Mathematics

1 answer:

gayaneshka [121]2 years ago

3 0

13+6b=-5(7-6b) -- expand brackets
13+6b=-35+30b -- subtract 6b and add 35 to both sides
48=24b -- divide by 24
2=b

b=2

You might be interested in

Let f(x) =-2x-7 and g(x)=-4x+3 find (f•g)(-5)

Ierofanga [76]

F(-5) x g(-5)

f(-5) = -2(-5) - 7
f(-5) = 10 - 7
f(-5) = 3

g(-5) = -4(-5) + 3
g(-5) = 20 + 3
g(-5) = 23

f(-5) x g(-5) = 3 x 23 = 69

Your answer is 69

4 0

3 years ago

Answer correctly , will mark brainliest answer !!!!

AveGali [126]

Answer:

x-6

Step-by-step explanation:

(x-5)(x-6)=x^2-11x+30

-6*-5=30

(-6)+(-5)=-11

8 0

3 years ago

Read 2 more answers

P = {52, 77, 91, 124,<br> 217)<br> Three members of the set P have a common<br> factor which is

Marrrta [24]

tis always a good idea when factoring to start off with a quick prime factoring.

$\begin{array}{llll} 52&=&2\cdot 2\cdot 13\\\\ 77&=&\boxed{7}\cdot 11\\\\ 91&=&\boxed{7}\cdot 13\\\\ 124&=&2\cdot 2\cdot 31\\\\ 217&=&\boxed{7}\cdot 31 \end{array}$