603 т помогите !!!!!!! $$$

Question

603 т помогите !!!!!!! $$$

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Answer 1

3/5 + 5/4х + 7/10 + 1 1/2 = 5 3/5
21/10 + 39/20 х = 18/5
39/20х = 18/5 - 21/10
39/20х = 3/2
х = 3/2 * 20/39
 х = 10/13

Comments

Спасибо