Question

2 вариант 2 3 4 задание помогите срочно

Answer 1

2)а..4.8у+3.7у=11.9
8.5у=11.9
у=11.9 ÷8.5
у=118÷85
у=1.4
б..(4.5-х)*5.8=8.7
26.1-5.8х=8.7
-5.8х=8.7-26.1
-5.8х=-17.4
х= -(17.4)÷ -(5.8)
х=174÷58
х=3