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sleet_krkn [62]
3 years ago
7

Find the value of the variable

Mathematics
1 answer:
erik [133]3 years ago
3 0
X+1=y and 3y-7=2x are your two equations.

Substitute x+1 in for y
3(x+1)-7=2x
3x+3-7=2x
x-4=0
x=4

Plug in 4 for x in either equation to solve for y
x+1=y
4+1=y
5=y

x=4 and y=5

Hope I could help!
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Step-by-step explanation:

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Solve the system of equations. ​
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Step-by-step explanation:

Solve the system via elimination (add the equations):

-10y + 9x = -9

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(PLEASE HELP)simplify 2 with an exponent of 5 over 3 with an exponent of 2 and the equation has an exponent of 4
Nostrana [21]
Assuming you mean this as your problem I hope I can assist you.
( \frac{2^5}{3^2})^4
So just apply the exponent rule to start, which is (a/b)^c = a^c/b^c
This translates to....
\frac{(2^5)^4}{(3^2)^4}
Now apply the exponent rule (a^b)^c = a^bc
Which translates to 3^2 * 4 which is refined to 3^8
So now we have....
\frac{(2^5)^4}{3^8}
Just apply the exponent rule (a^b)^c
So we get 2^5 * 4 which refines to 2^20
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Answer:

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Step-by-step explanation:

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Hope this helped

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