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

Work out the value of 3x + 2y when x=4 and y=-5
asked 51.6k views
4 votes
Work out the value of 3x + 2y when x=4 and y=-5

asked
User Lorenzo Montanari
by
8.5k points

2 Answers

5 votes
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
answered
User Gobernador
by
8.2k points
2 votes

3x + 2y =

3*4 + 2*-5=

12 + -10 = 2


answered
User Zuleima
by
8.1k points
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