3 years ago

Calculate the value of 3x + 4y when x = -6 and y = 5.

Mathematics

2 answers:

mezya [45]3 years ago

7 0

Answer:
2

Explanation:
3 x -6 = -18
4 x 5 = 20
-18 + 20 = 2

MArishka [77]3 years ago

5 0

Answer:

x = -6

-18+4y=0 => 4y=18 =>y=18/4=9/2

Y=5

3x+20=0 => x=3x= -20=> x= -20/3

Step-by-step explanation:

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