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Pie
2 years ago
5

Which expression is equivalent to the given expression?

Mathematics
1 answer:
USPshnik [31]2 years ago
3 0

Answer:

A.

Step-by-step explanation:

The a^3 would cancel out, currently leaving just b^5 on the top and ab on the bottom. The b would also cancel out, finally leaving just b^4/a. Therefore A is the answer equivalent to the original expression.

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What is the value of x in the equation –x = 4 – 3x + 6?
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3x + 5y = 7<br> 4x + 3y = 2<br><br> Both x and y have to be the same numbers!
Black_prince [1.1K]
Simultaneous Equations:
(3x + 5y = 7)×(-3)
(4x + 3y = 2)×(5)

-9x - 15y = -21
20x+15y =10        (-15y and and+15y cancels out)

11x = -11
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substitute the x we found into either original expressions

3(-1) + 5y = 7
-3 + 5y = 7
+3 -3+ 5y = 7+ 3
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Check it!
4(-1)+3(2) = 2
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2 = 2

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7 = 7

x= -1
y= 2

4 0
3 years ago
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