Question

96 _3×(x+1)=42

Answer 1

\(96-3.\left(x+1\right)=42\)

\(96-3x-3=42\)

\(-3x=42-96+3\)

\(-3x=-51\)

\(x=17\)

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Answer 2

96-3x(x+1)=42

=>3x(x+1)=96-42=54

=>x+1=54:3=18

=>x=18-1=17

Vậy x=17

Answer 3

96-3x(x+1)=42

=>3x(x+1)=96-42=54

=>x+1=54:3=18

=>x=18-1=17

Vậy x=17

Answer 4

96-3x(x+1)=42

=>3x(x+1)=96-42=54

=>x+1=54:3=18

=>x=18-1=17

Vậy x=17