raineefry12 raineefry12

13-03-2020
Mathematics

contestada

Please help will mark as brainliest

Please help will mark as brainliest class=

Respuesta :

amna04352 amna04352

13-03-2020

Answer:

40

Step-by-step explanation:

3x + 7 = 5x - 15

2x = 22

x = 11

QC = 51 - x = 51 - 11 = 40

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