11 х+ х + 4х -48=256

Question

11 х+ х + 4х -48=256

Answer 1

16х-48=256
16х=256+48
16х=304
х=304:16
х=19
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16*19-48=256
256=256

Answer 2

12x+4x-48=256

16х=256+48

16х= 304

х=304:16

х= 19