Найди корни уравнений:x•60+260=800;900-y•90=90;450+c÷8=500;7200÷d+3100=4000

Question

Найди корни уравнений:x•60+260=800;900-y•90=90;450+c÷8=500;7200÷d+3100=4000

Answer 1

00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Answer 2

60x=800-260
60x=540
x=9

Comments

900-90y=90

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90y=900-90

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90y=810

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y=9