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3 years ago

What is the solution to 2(z+3)+(5-3z)?

2 answers:

8 0

1
Simplify
2(z+3)+5-3z

2
Expand
2z+6+5−3z

3
Collect like terms
(2z-3z)+(6+5)

4
Simplify
−z+11

5
Regroup terms
11−z

So....in short, your answer is 11-z

I hope this helps, and have a great day. :)

horsena [70]3 years ago

3 0

Z=2.2 is the right solution :)

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3 years ago

Given m ZLMN = 145°, what is m ZXMN? Show all relevant work.

myrzilka [38]

80 degrees. 145 = (4x+5) + (6x-10) = 10x-5... so 10x = 150, x = 15. LMN = 6x-10 = 6(15) - 10 = 80.

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3 years ago

Answer the questions in the picture

Nutka1998 [239]

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1a 3800, 1b 6300 1c 5100

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3 years ago

I really need help with this one

Novay_Z [31]

Answer:

Step-by-step explanation:

Since B is the midpoint of AC, that means AB = BC. That means 3x+4 = 5x-6. We can now set up an equation to solve for x:

3x+4 = 5x-6

3x+10 = 5x

10 = 2x

x = 5

Now that we know what x is, we can just plug x into the expression of AB and multiply it by 2:

(3*(5)+4)*2

=(15+4)*2

=19*2

=28

(side note: we could have plugged x into the expression of BC as well, but in this case plugging it into AB tends to be easier to solve)

Therefore, the length of AC is 28.

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3 years ago