А)3,28+4,72x=17, 6,5x- 2,5x=19

Question

А)3,28+4,72x=17, 6,5x- 2,5x=19

Answer 1

4,72х = 17 - 3,28
4,72х = 13,72
     х  ≈ 2,91
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6,5х - 2,5х = 19
4х = 19
х = 4,75