Уравнения (200+у)×3+500=1400 (350+х)×2=1000 (у+50)×2=400-100

Question

Уравнения (200+у)×3+500=1400 (350+х)×2=1000 (у+50)×2=400-100

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Answer 1

(200+у)*3+500=1400; 3у=1400-500-600; 3у=300; у=100 (350+х)*2=1000; х=150; (у+50)*2=400-100; 2у=400-100-100; 2у=200; у=100