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rusak2 [61]
3 years ago
15

Help me with the correct answer

Mathematics
2 answers:
Kobotan [32]3 years ago
5 0

Answer:

It’s A.

Step-by-step explanation:

Alenkinab [10]3 years ago
3 0
The correct answer isA
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Using substitution to solve the system below, what expression should be substituted into the first equation? 2x-4y=-4 and x+2y=8
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Answer:

Given the system of equation:

2x-4y=-4                    ......[1]

x+2y=8                      ......[2]

we can rewrite equation [2] as;

x = 8-2y                ......[3]

Substitute equation [3] into [1] to eliminate x, and solve for y;

2(8-2y)-4y = -4

Using distributive property: a\cdot (b+c) = a\cdot b+ a\cdot c

16-4y -4y = -4

Combine like terms;

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20 - 8y = 0

Add 8y to both sides we have;

20 = 8y

Divide 8 to both sides we have;

y = 2.5

Substitute the y-value in [3] we have;

x = 8-2(2.5)

x = 8 - 5 = 3

Therefore, the  expression should be substituted into the first equation is, x = 8-2y  and also the value of x = 3 and y = 2.5

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3 years ago
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Number 5 but if u can do number 6 that would be great ✋
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Step-by-step explanation:

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Answer:

Step-by-step explanation:

divide 33.25/475 and you'll get 7 cents per flier

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