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Scorpion4ik [409]
3 years ago
12

3(2x-5)= 21 solve it 2 different ways plzz hurry i need help

Mathematics
2 answers:
frosja888 [35]3 years ago
6 0
2x-5=7
2x=7+5
2x=12
X= 6
docker41 [41]3 years ago
4 0

Answer:

x = 6

Step-by-step explanation:

3 (2x - 5) = 21

=> 6x - 15 = 21

=> 6x = 21 + 15

=> 6x = 36

=> x = 36 / 6

=> x = 6

OR

3 (2x - 5) = 21

=> 2x - 5 = 21 / 3

=> 2x - 5 = 7

=> 2x = 7 + 5

=> 2x = 12

=> x = 12 / 2

=> x = 6

Hope it helps :)

Please mark my answer as the brainliest

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