5(14 + b) = 170 27(n - 27) = 27
14 + b = 170 : 5 n - 27 = 27 : 27
14 + b = 34 n - 27 = 1
b = 34 - 14 n = 27 + 1
b = 20 n = 28
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(21 - z) : 21 = 0 44 : (с + 44) = 1
21 - z = 0 · 21 с + 44 = 44 : 1
21 - z = 0 с + 44 = 44
z = 21 - 0 с = 44 - 44
z = 21 с = 0
3х + 4х - 2 - 5х = 0
7х - 5х = 0 + 2
2х = 2
х = 2 : 2
х = 1
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5(14 + b) = 170 27(n - 27) = 27
14 + b = 170 : 5 n - 27 = 27 : 27
14 + b = 34 n - 27 = 1
b = 34 - 14 n = 27 + 1
b = 20 n = 28
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(21 - z) : 21 = 0 44 : (с + 44) = 1
21 - z = 0 · 21 с + 44 = 44 : 1
21 - z = 0 с + 44 = 44
z = 21 - 0 с = 44 - 44
z = 21 с = 0
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3х + 4х - 2 - 5х = 0
7х - 5х = 0 + 2
2х = 2
х = 2 : 2
х = 1