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Kazeer [188]
3 years ago
5

Giving 20 points not alot but it's something :3 right aslo Hurry

Mathematics
2 answers:
uysha [10]3 years ago
4 0

Answer:

15x+30y-140

Step-by-step explanation:

30(1/2x-2)+40(3/4y-2)

30(1/2x)+30(-2)+40(3/4y)+40(-2)

15x+-60+30y-80

15x+30y+-60-80

15x+30y+-140

Arte-miy333 [17]3 years ago
3 0

Answer:

= 15x + 30y - 140 \\  \\

Step-by-step explanation:

30( \frac{1}{2} x - 2) + 40( \frac{3}{4} y - 2) \\  \frac{30x}{2}  - 60 +  \frac{120y}{4}  - 80 \\ 15x - 60  + 30y - 80 \\  = 15x + 30y - 140 \\

hope this helps you.

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