2)(62,4+у)-13,4=91 помогите

Question

2)(62,4+у)-13,4=91
помогите

Answer 1

(62.4+y)-13.4=91
62.4+y=91+13.4
62.4+y=104.4
y=104.4-62.4
y=42

Comments

спс

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Answer 2

62,4+у=91+13,4
62,4+у=104,4
У=104,4-62,4

У=42