Question

реши уравнение х+8х=72

Answer 1

х+8х=72
8x=72
x=72/8
x=9

Answer 2

9x=72

Answer 3

х+8х=72 9х=72 х=72/9 х=8

Answer 4

х + 8х = 72
9х = 72
х = 72 : 9
х = 8