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2 years ago

Find the value of n in 2m-3n = 6 and 2m + 6n = 12.

Mathematics

1 answer:

Nezavi [6.7K]2 years ago

4 0

Answer:

n = 2/3

Step-by-step explanation:

2m - 3n = 6

– 2m + 6n = 12

-9n = -6

n = -6/-9

n = 2/3

Hence, the value of n in the given equations is 2/3.

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Step-by-step explanation:

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$\therefore (3x-16)\degree+(x+6)\degree+ x\degree = 180\degree\\\therefore (5x-10)\degree = 180\degree\\5x-10 = 180\\5x = 180 + 10\\5x = 190\\x= \frac{190}{5}\\x= 38\\\because m\angle M = (3x-16)\degree\\\therefore m\angle M = (3\times 38 -16)\degree\\\therefore m\angle M = (3\times 38 -16)\degree\\\therefore m\angle M = (114 -16)\degree\\\therefore m\angle M = 98\degree$

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3 years ago

Find the value of n in 2m-3n = 6 and 2m + 6n = 12.​

Find the value of n in 2m-3n = 6 and 2m + 6n = 12.