Question

tìm x

96-3(x+1)=42

Answer 1

96-3(x+1)=42

3(x+1)=96-42

3(x+1)=54

x+1 = 54 : 3

x+1 = 18

 x   = 18 - 1

 x   = 17

Answer 2

96 - 3(x + 1) = 42

\(\Rightarrow\)3x + 3 = 54

\(\Rightarrow\)3x = 51

\(\Rightarrow\)x = 17