# math

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What is the value of u in the following system of linear equations?
4u + 3v = –1
3u + 2v = 1

a) 5
b)-11/2
C)-7
d)19/3

• math -

1st times 2
8u + 6v = -2
2nd by 3
9u + 6v= 3
subtract them
u = 5

• math -

how do you subtract this?

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