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Arisa [49]
3 years ago
13

Evaluate -7x + y5x When x = -3, y = -9

Mathematics
2 answers:
Semmy [17]3 years ago
8 0

Answer:

156

Step-by-step explanation:

-7(-3)+(-9)(5)(-3)

21+135

156

maria [59]3 years ago
8 0

Answer:

<em>156</em>

Step-by-step explanation:

  • Substitute x and y values in the equation

-7x+y5x

(-7)(-3)+(-9)*5*(-3)

21+135

<em>156</em>

<em>Hope you got it </em>

<em>If you have any question just ask me</em>

<em>If you think this is the best answer please mark me as brainliest</em>

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Step-by-step explanation:

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I will give brainly for the correct answer Pls. Also 50 Points
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Answer:

Step-by-step explanation:

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X = 0.36363636......

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99x=36

X=36/99

= 4/11

0.36363636363 is the first repeating fraction and 36.36363636 is the second repeating fraction, because you multiply it by 100.

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Explanation:

x = 0.3666 . .

(1)  10 x = 3.666 ...

(2)  100 x = 36.666 ...

(2)-(1):

100 x − 10 x = 36.666 ... − 3.666 ...

90 x = 33

x = 33/ 90 = 11/ 30

c.9/25

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Hope it helps!!!

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