Question

решить уравнение /x+4/=7;x-5целых 3/4=12 целых1/6

Answer 1

(х + 4) = 7
х + 4 = 7
х = 7 - 4
х = 3
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х - 5 3/4 = 12 1/6
х = 12 1/6 + 5 3/4=17+(1/6+3/4)=17+(2/12+9/12)=17+11/12=17ц.11/12
х = 17целых 11/12