(х＋9.14)/7.2=5
4.13-1.7х=4.028
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(х+9,14) : 7,2=5

х+9,14=5*7,2

х+9,14=36

х=36-9,14

х=26,86

1) (x+9,14)/7.2 = 5

x+9,14 = 5*7,2

x+9,14 = 36

x = 26,86.

2) 4,13-1,7х = 4,028                          

-1,7x = 4,028-4,13

-1,7x = -0.102

x = 0,06