2 years ago

Simplify: (7+2a)·3–20 =

Mathematics

1 answer:

Black_prince [1.1K]2 years ago

6 0

<h2>Greetings!</h2>

Answer:

6a + 1

Step-by-step explanation:

First, you need to multiply everything in the brackets by 3L

(7 + 2a) x 3 =

7 * 3 = 21

2a * 3 = 6a

21 + 6a

Now you can subtract the 20 from this:

6a + 21 - 20

Simplified down:

6a + 1

<h2>Hope this helps!</h2>

You might be interested in

Are -3.5 and -14/4 the same value? plzzz i need helpppp

mafiozo [28]

Answer: Yes, they both equal -7/2

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

How many 5/16's are in 1 & 7/8?

MaRussiya [10]

There are 6 (five sixteenths) in 1 and (seven eighths)

8 0

3 years ago

What is the value of the expression

Gelneren [198K]

Answer:32

Step-by-step explanation: First you do 4×4×4×

=64 then you divide by 2.. 64÷2=32

8 0

3 years ago

Read 2 more answers

A ski area has a high-speed lift that can move 2,400 skiers to the top of the mountain each hour. Write an expression describing

mihalych1998 [28]

Answer:

2,400h

Step-by-step explanation:

You multiply the amount of skiers per hour (2,400) by the amount of hours (h).

7 0

2 years ago

What is the value of -8+4-7+9-2+(-5)

dsp73

Answer:

-9

Step-by-step explanation:

-8+4-7+9-2+(-5)

-8+4-7+9-2-5

-8-7-2-5+4+9

-22+13

-9

6 0

2 years ago