Question

0.3+0.7x
= 0.85
х
31. The solution of the equation
(a) 0.5
(b) 0.2
(c) 0.1
(d) 2the solution of the equation 0.3 + 0.7 x by x is equal to 0.8 v
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Answer 1

Step-by-step explanation:

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