3 years ago

1.1x + 1.2x - 5.4x = -10

1 answer:

8 0

1,1x + 1,2x - 5,4x = - 10
- 3,1x = - 10
x = - 10 : (- 3,1)
x = - 10 : (- 3 1/10)
x = 10 : 31/10
x = 10 * 10/31
x = 100/31
x = 3 7/31
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