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lakkis [162]
3 years ago
9

What is the value of x in the equation 2x + 3y = 36, when y = 6? 8 9 027 36

Mathematics
2 answers:
nignag [31]3 years ago
5 0

Answer:

x = 9

Step-by-step explanation:

djverab [1.8K]3 years ago
4 0

Answer:

x = 9.

Step-by-step explanation:

The first step I did was replace y with 6.

2x+3\cdot \:6=36

I multiplied 3*6 next.

2x+18=36

Then I subtracted 18 from both sides of the equation.

2x+18-18=36-18

After, I simplified the equation.

2x=18

Divided the both by 2 and then simplified again to get...

\frac{2x}{2}=\frac{18}{2}  

x=9

So x=9.

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the total cost of four boxes of pasta is $14 There are 16 oz of pasta in each box of the same amount what is the maximum number
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Answer:

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Step-by-step explanation:

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7x + 2y = 17<br>2x - 2y = 1<br>=​
DerKrebs [107]

Answer:

(2,\frac{3}{2}})

Step-by-step explanation:

For finding the system of equations you can use one of two methods. There's the elimination method and also the substitution method. For this I think the best way we could go at solving this is by using the elimination method. Since we can eliminate the 2y. We can then solve for x and then we'll go from there.

\left \{ +{{7x+2y=17} \atop {2x-2y=1}} \right. \\\\9x=18\\x=2

Now that we know what x is we can substitute it for one of the equations and then we will be able to solve for y.

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So now we have the x and the y and once we place them together we can get the solution of those two equations, and the solution is (2,\frac{3}{2}}).

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