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sergejj [24]
4 years ago
9

2x+34=4(x+5) ....solve x

Mathematics
2 answers:
Monica [59]4 years ago
8 0
2x+34=4(x+5)  perform indicated multiplication on right side...

2x+34=4x+20  subtract 2x from both sides...

34=2x+20  subtract 20 from both sides...

14=2x  divide both sides by 2

7=x
MissTica4 years ago
4 0
X = 7..hope it helped
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4 0
3 years ago
Xy=10<br> 4x+2y=30 <br> I need help asap
emmasim [6.3K]

Answer:

x = 25/3; y = -5/3

Step-by-step explanation:

You did well so far by multiplying both sides of the first equation by 2.

Now notice that you have -2y in the new first equation and 2y in the second equation. -2y and 2y add to 0.

Now add the equations to eliminate y.

      2x - 2y = 20

(+)   4x + 2y = 30

-------------------------

      6x         = 50

6x/6 = 50/6

x = 50/6 = 25/3

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4 0
2 years ago
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