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zaharov [31]
3 years ago
9

Evaluate the expression below when y = -3. 2y + 7 -4y − 10 A

Mathematics
1 answer:
GREYUIT [131]3 years ago
4 0
Hello!

Judging by the question you have provided I have figured that the best way to go about finding the solution is by using the distributive property!

This means you will want to distribute the y = -3 into the 2y+7-4y-10 equation.

However, the first step you should take is to simplify the equations.
After simplifying the equations you should come out with the new equation being -2y-3.

You now want to distribute the y=-3 into the equation!
You should get -2(-3)-3. Now solve!

The answer you get should be 3!

Hope this helped!
-Blake
 
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Answer:

37 & 67

Step-by-step explanation:

11 & 33

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37 & 67

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  • 67 - 1, 67
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4 years ago
D -e/3d + e= e, for d​
navik [9.2K]

Answer:

\large\boxed{d=\dfrac{e^2+e}{1-3e}}

Step-by-step explanation:

\dfrac{d-e}{3d+e}=e\\\\\dfrac{d-e}{3d+e}=\dfrac{e}{1}\qquad\text{cross multiply}\\\\(1)(d-e)=(e)(3d+e)\qquad\text{use the distributive property}\\\\d-e=3de+e^2\qquad\text{add}\ e\ \text{to both sides}\\\\d=3de+e+e^2\qquad\text{subtract}\ 3de\ \text{from both sides}\\\\d-3de=e^2+e\qquad\text{distribute}\\\\d(1-3e)=e^2+e\qquad\text{divide both sides by}\ (1-3e)\\\\d=\dfrac{e^2+e}{1-3e}

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