The value of x in the equation 1 1/5 - x/3 = 9/10 is 9/10
1 1/5 - x/3 = 9/10
- x/3 = 9/10 - 1 1/5
- x/3 = 9/10 - 6/5
-x/3 = 9-12 / 10
-x/3 = -3/10
x = -3/10 ÷ - 1/3
= -3/10 × -3/1
x = 9/10
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