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VladimirAG [237]
2 years ago
11

3x-y= 7 2х + Зу = 12 Can anyone help me with this answer please?

Mathematics
1 answer:
wlad13 [49]2 years ago
7 0

Answer:

what are these teachers teaching yall. dang bruh i hope you get the answer soon.

Step-by-step explanation:

are you good at english?

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Joe has read ​30 % of a book. He has 63 more pages to finish. How many pages are there in the​ book?
meriva

Answer:

90 pages

Step-by-step explanation:

30% complete

70% to go = 63 pages

t = total number of pages

0.7t = 63

∴ t = ⁶³/₀.₇

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4 0
2 years ago
For the following system of equations, what is the x-value of the solution? -x+2=6 6y=x+18
AlexFokin [52]

Answer:

Option B is correct.

The value of x is, 0

Step-by-step explanation:

Given the system of equation:

-x+2y =6                 .....[1]

6y =x+18               ......[2]

We can write equation [1] as;

-x = 6-2y  or

x = -6 + 2y                  ......[3]

Substitute equation [3] in [2] we get;

6y =-6 + 2y + 18

or

6y = 2y +12

Subtract 2y from both sides we get;

6y -2y = 2y+ 12 -2y

Simplify:

4y = 12

Divide both sides by 4 we get;

\frac{4y}{4} =\frac{12}{4}

Simplify:

y =3

Substitute the value of y in equation [3] to solve for x;

x = -6 + 2(3)

x = -6 +6 = 0

Therefore, the value of x is, 0



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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
What is the value of x if 5x+2=5^9<br> х = -11<br> X=-7<br> x=7<br> X=11
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X=7 7 is the value of this math problem
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