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grin007 [14]
3 years ago
5

Solve the system by substitution. -8x - y = 30 -2y = x

Mathematics
1 answer:
masya89 [10]3 years ago
4 0

Answer:

Solution:  (-4, 2),   x= -4 and  y =2

Step-by-step explanation:

-8x - y = 30

-2y = x

Substitute for x

-8*(-2y)   - y = 30

16y  - y = 30

15y = 30

y = 30/15 = 2

Then  x = -2y = -2*(2) = -4

Solution:  (-4, 2),   x= -4 and  y =2

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Answer:

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Step-by-step explanation: You have to combine like terms first:

-3.8x -5.9x                 =223.1

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Then divide om each side of the equation by -9.7.

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x                               =- 23

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If m^2 = 3 then what is the value of 5m^6<br><br> a. 15<br> b. 30<br> c. 45<br> d. 135
Virty [35]

Answer:

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4 0
3 years ago
kayden is given this question 42000 x 3000 give your answer in standard form his answer is 12.6 x 10^7 is kayden correct explain
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Answer:

Step-by-step explanation:

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