Math, asked by revanthvadisetty, 11 months ago

27. If 7x-y = 49 and 7x+y = 343, then 6x + 2y
a) 12
b) 16
c) 20
d) 24

Answers

Answered by lasyaponnapati

1

Answer:

462

Step-by-step explanation:

7x-y=49

7x+y=343

- - -

___________

2y=294

y=147

7x-y=49

7x-147=49

7x=196

x=28

6x+2y=?

6(28)+2(147)=462

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