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Novay_Z [31]
3 years ago
13

Work out the value of 3x + 2y when x=4 and y=-5

Mathematics
2 answers:
Kruka [31]3 years ago
5 0

3x + 2y =

3*4 + 2*-5=

12 + -10 = 2


Anon25 [30]3 years ago
4 0
Just substitute the equation with the given

The given are 
x = 4 and y = -5
the equation is
3x + 2y
3 (4) + 2 (-5) = 12 - 10 = 2
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