3(7x-1)=4x+6 please answer me at least two or three people

Mathematics

2 answers:

scoray [572]3 years ago

8 0

Answer:

Step-by-step explanation:

3(7x-1)=4x+6 distribute

21x - 3 = 4x + 6 combine similar terms

21x - 4x = 6 + 3 simplify

17x = 9

x = 9/17

babymother [125]3 years ago

5 0

solve the bracket first
multiply 3 and 7x to get 21x
multiply 3 and negative 1 to get negative 3

combine the terms that are alike

add / subtract the terms

divide 9 by 17

the answer is

hope that helps :))

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2 years ago

Please help. Thank you.

Marysya12 [62]

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2 years ago

Need help on this! Please someone help!!!

Jet001 [13]

This can be easily solved, especially with a calculator.
With the calculator, you can find that $\sqrt{42}$ is about 6.4807.
Multiply that by 2, you get about 13 inches.

If you can't use a calculator, then you can just estimate. Since we know that $\sqrt{36}$ is 6 and $\sqrt{49}$ is 7, $\sqrt{42}$ is in between them, so you can just say somewhere around 6.5.

Multiply 2 * 6.5 and you get 13 inches.