Question

решить уравнение 3(b-1)-1=8(b-1)-6
18+16k=18+k​

Answer 1

$3(b - 1) - 1 = 8(b - 1) - 6 \\ 3b - 3 - 1 = 8b - 8 - 6 \\ 3b - 4 = 8b - 14 \\3b - 8b = - 14 + 4 \\ - 5b = - 10 \\ b = 2$

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$18 + 16k = 18 + k \\ 16k - k = 18 - 18 \\ 15k = 0 \\ k = 0$

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