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sattari [20]
3 years ago
6

1v+6b=372 4v+12b=780

Mathematics
1 answer:
alisha [4.7K]3 years ago
5 0

Answer:

v=18, b=59. (18, 59).

Step-by-step explanation:

v+6b=372

4v+12b=780

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

simplify 4v+12b=780 into v+3b=195,

v+6b=372

v+3b=195

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

-(v+6b)=-372

v+3b=195

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

-v-6b=-372

v+3b=195

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

-3b=-177

3b=177

b=177/3

b=59

v+6(59)=372

v+354=372

v=372-354

v=18

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