Ask question

Ask question

All categories

2 years ago

13

Solve for n 19 + 10n = 7n - 20

1 answer:

kakasveta [241]2 years ago

7 0

Answer:

n = -13

Step-by-step explanation:

19 + 10n = 7n - 20

Subtract 7n from each side

19 + 10n-7n = 7n-7n - 20

19+3n = -20

Subtract 19 from each side

19+3n -19 = -20-19

3n = -39

Divide each side by 3

3n/3 = -39/3

n = -13

You might be interested in

How many two-digit numbers can be made from the following cards?

liraira [26]

Answer:

25 numbers

Step-by-step explanation:

we have five different bases to choose from

(1,2,3,4,5)

$5 {}^{2} = 25$

8 0

2 years ago

Will mark brainlyist

Setler [38]

Answer:

x=18.7

Step-by-step explanation:

x+17+5x+10+4x-34=180

10x-7=180

10x=187

x=18.7

all angles in a trianlge add up to 180 degrees

3 0

3 years ago

Read 2 more answers

PLEASE HELP ME I BEG IMMA FAILLLLLLLLLLLLLLLL

Ber [7]

Answer:

78

Step-by-step explanation:

180-90-12=78

7 0

1 year ago

Read 2 more answers

Evaluate the function at the given values<br> F(y) = 4y^4 - 6y^2 + 8y - 15<br> At y = 2

otez555 [7]

F(2)= 4(16) - 6(4) + 8(2) - 15
F(2)= 64 -24 + 16 - 15
F(2)= 41

7 0

2 years ago

What exclusions are placed on the variable a for the fraction (a^2 + 4m)/a^2+4?

sattari [20]

Answer:

The answer is A.) -2

4 0

2 years ago