54000:x=3x:1200=4x-415=326990-x=176

Question

54000:x=3
x:1200=4
x-415=326
990-x=176

Answer 1

54000:х=3
х=54000:3
х=18000

х:1200=4
х=4•1200
х=48000

х-415=326
х=326+415
х=741

990-х=176
х=990-176
х=814

Answer 2

1.х=54000:3
х=18000
2.х=1200*4
х=4800
3.х=326+415
х=741
4.х=990-176
х=814