3 years ago

20 - 9w = 4(15 - w) solve for w

Mathematics

2 answers:

posledela3 years ago

8 0

Answer:

w = -8

Step-by-step explanation:

step 1:(20 - 9w) - 4 • (15 - w) = 0

step 2: -5w - 40 = -5 • (w + 8)

step 3: -5 • (w + 8) = 0

step 4: Subtract 8 from both sides of the equation :

w = -8

Firlakuza [10]3 years ago

6 0

20-9w=4(15-w)
20-9w=60-4w
+9w +9w
20 = 60+5w
-60 -60
-40=5w
Divide by 5 on both sides to get w alone.
-8 = w

You might be interested in

What is the mean of 65,30,25

mixas84 [53]

You've got 3 values there.

Get the sum of 65, 30 and 25 and divide their sum by the number of values that exist, which in this case is 3.

$\frac { 65+30+25 }{ 3 } =\frac { 120 }{ 3 } =40$

Answer:

40

5 0

3 years ago

Read 2 more answers

I’m a bit confused here

alekssr [168]

Y= -x and y= -1/x
Are one-one
y= -x, inverse x= -y
Identify function
hence, inverse of y= -x in y= -x
similarly in the case of y= -1/x
so option (D) I and II, only

7 0

2 years ago

HELP ME OUT PLS!!!!!

pantera1 [17]

The Answer Is C. 64, hope I helped

4 0

3 years ago

Read 2 more answers

Please help me thank you

Colt1911 [192]

Answer:

-2 $\frac{1}{10}$

Step-by-step explanation:

So this is simple substitution, $\frac{1}{2}$ (- $\frac{1}{5}$ )- $\frac{2}{3}$ (3)=> - $\frac{1}{10}$ - $\frac{6}{3}$ => $-\frac{1}{10}$ - 2= $-2\frac{1}{10}$ .