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yawa3891 [41]
3 years ago
9

How to do this and what's the answer

Mathematics
1 answer:
Darya [45]3 years ago
6 0
The answer to this question is b I got it wrong With picking a and my teacher said it was b
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If 3x – 10 = 17, what is the value of 6x + 20 ?
IceJOKER [234]
3x-10=17\ \ \ \ /+10\\\\3x-10+10=17+10\\\\3x=27\ \ \ \ /:3\\\\3x:3=27:3\\\\x=9\\\\\\\\6x+20=6\cdot9+20=54+20=74



3x-10=17\ \ \ /\cdot2\\\\2\cdot3x-2\cdot10=2\cdot17\\\\6x-20=34\ \ \ \ /+40\\\\6x-20+40=34+40\\\\6x+20=74
3 0
3 years ago
Read 2 more answers
The actual distance between the two houses is 44.1ft. The contractor measures the distance as 46ft. Find the relative error of t
mixer [17]
The correct answer is: 44.1ft - 46ft = -1.9ft/44.1ft = .043% relative error. Please mark Brainliest if helpful
6 0
3 years ago
Find the value of x.<br> X=____
musickatia [10]
(3x+1)+(2x+4)=90
3x+1+2x+4=90
5x+5=90
5x=85
x=17
4 0
3 years ago
Y=4x<br> x+y=5<br><br> Help me get the answer
Ugo [173]
To solve this first we need to get are chunk which is already solved for here as
Y=(4x) so one the chunk side of this we dont have to solve for it, so now we can just skip right to solving this equation like so. First input the numbers x+(4x)=5,
Distribute/Combine like terms in this case
5x=5
Divide by 5
x=1
So now that we have x we can plug it into are chunk and then we have are answer
Y=(4x)
Y=(4*1)
Y=4
So are end answers are \left \{ {{y=4} \atop {x=1}} \right.
Enjoy!=)
7 0
3 years ago
Read 2 more answers
Help me please<br><br><br> A y=9<br><br> B x=-6<br><br> C y= 8x +2
viktelen [127]

Answer:

y = 8x +2 that's the correct answer

7 0
3 years ago
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