Question

решить уравнения. (291*х-27)÷7=86+118,5600÷(у+36)=70

Answer 1

(291×х-27)÷7=118+86
(291×х-27)÷7=204
(291×х-27)=204×7
(291×х-27)=1428
(291×х)=1428+27
(291×х)=1455
х=1455÷291
х=5
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(291×5-27)÷7=118+86
204=204