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Olegator [25]
3 years ago
6

PLEASE HELP FAST! Solve for X 3x + 4y = -16 X = 4y

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
6 0

Answer: It is indeed -4.

Step-by-step explanation: Refer to the answer above me, they have everything exactly right.

maxonik [38]3 years ago
3 0

Answer:

x = -4

Step-by-step explanation:

3x + 4y = -16

X = 4y

3(4y) +4y = -16

=> 12y + 4y = -16

=> 16y = -16

=> y = -1

3x + 4(-1) = -16

=> 3x -4 = -16

=> 3x = -12

=> x = -4

Hope this helps!      :3

plz mark as brainliest!

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6 0
3 years ago
Read 2 more answers
The first term of an AP is -7 and the ratio of the eight term to the third term is 7:1 calculate the common difference
alukav5142 [94]

Answer:

the common difference is 6.

Step-by-step explanation:

Given;

first term of an AP, a = -7

let the common difference = d

The third term is written as;

T₃ = a + 2d

The eight term is written as;

T₈ = a + 7d

The ratio of the eight term to third term = 7:1

\frac{T_8}{T_3} = \frac{7}{1} = \frac{a+ 7d}{a + 2d} \\\\7 =  \frac{a+ 7d}{a + 2d}\\\\Recall, a = -7\\\\7 =   \frac{-7+ 7d}{-7 + 2d}\\\\7(-7 + 2d) = -7+ 7d\\\\-49 + 14d = -7 + 7d\\\\14d -7d = -7 + 49\\\\7d = 42\\\\d = \frac{42}{7} \\\\d = 6

Therefore, the common difference is 6.

4 0
2 years ago
Explain why statement 3^(-2)=-6 is false
malfutka [58]

Answer: -9

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6 0
2 years ago
How do you do 8x+20z
Greeley [361]

Answer:

4(2x+5x)

Step-by-step explanation:

Factor 4 out of 8x+20z

3 0
3 years ago
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