б) 3х - 16 + 20х = 5( х + 6 ) - 10
23х - 16 = 5х + 30 - 10
23х - 16 = 5х + 20
23х - 5х = 36
х = 36 : 18
х = 2
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б) 3х - 16 + 20х = 5( х + 6 ) - 10
23х - 16 = 5х + 30 - 10
23х - 16 = 5х + 20
23х - 5х = 36
х = 36 : 18
х = 2