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Vinil7 [7]
3 years ago
10

I need 18 please ???

Mathematics
1 answer:
dolphi86 [110]3 years ago
4 0

Omg at school recently we learned the exact same thing.

(x-8)+4x=7x-16

5x-8=7x-16

-5x    -5x

-----------------

-8=2x-16

+16    +16

-----------------

8=2x

4=x

7(4)-16

The answer is 12*

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