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stira [4]
3 years ago
6

Solve the system by elimination -6x + 6y = 0 9x - 8y = 4

Mathematics
1 answer:
Art [367]3 years ago
4 0

Answer:

x=4, y=4

Step-by-step explanation:

X=(4+8y)/9

-6×(4+8y)/9 +6y=0

-2×(4+8y)/3+ 6y=0

-2×(4+8y) + 18y =0

-8-16y+18y=0

2y=8

y=4

-6x+6×4=0

-6x=-24

x=4

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3 years ago
Hey cutie you wanna help? I need the answer urgently
BigorU [14]

Answer/Step-by-step explanation:

4(x - 2)= 100 and 2(x - 2) = 50.

We can determine that in both equation x equals 27. But, why is the second one half as much as the first problem? This is because the second problem is being multiplied with a number half as large as the first. Since 27 - 2 = 25 and 25 x 4 = 100 and 25 x 2 = 50 these problems hold up to their function.

If x = 27:

<u>4(x - 2) = 100</u>

27 - 2 = 25

25 x 4 = 100

<u>2(x - 2) = 50</u>

27 - 2 = 25

25 x 2 = 50

6 0
3 years ago
Find the value of 3x+ 4 when x = 2
Firdavs [7]

Answer:

3x+4, x=2

3(2)+4

6+4=10

7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=f%28x%29%3D%28x%2B4%29%5E2%5C%5C" id="TexFormula1" title="f(x)=(x+4)^2\\" alt="f(x)=(x+4)^2\\"
Yuri [45]

Answer:

x²+8x+16

Step-by-step explanation:

f(x) = (x+4)²

= (x+4)(x+4)

= x² + 4x + 4x + 16

= x² + 8x + 16

3 0
3 years ago
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