4 years ago

What is b in the equation b-8+2b=20

Mathematics

1 answer:

svetlana [45]4 years ago

4 0

Answer:

b = 28/3 or 9.3

Step-by-step explanation:

b-8+2b=20

3b-8=20

3b=20+8

3b=28

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PLEASE ANSWER ASAP FOR BRAINLEST SUPER EASY QUESTION!!!!!!!!!!!!!!!!!!

kirill115 [55]

Answer:

B. 72 cm by 108 cm

Step-by-step explanation:

We know scale is 4 cm:30 ft. So find how many time 30 ft goes into each measurement of playground and then multiply that by 4...

540/30=18

18×4=72

810/30=27

27x4=108

6 0

3 years ago

How to find the pair solution to the equation

yulyashka [42]

Answer:

To figure out if an ordered pair is a solution to an equation, you could perform a test. Identify the x-value in the ordered pair and plug it into the equation. When you simplify, if the y-value you get is the same as the y-value in the ordered pair, then that ordered pair is indeed a solution to the equation.

Step-by-step explanation: