Question

96-3{x+1}=42

 

Answer 1

3( x+1 ) = 96 - 42

3(x+1) = 54

x+1 = 54 : 3

Answer 2

96 - 3(x+1) = 42

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

x+1 = 54 :3

Answer 3

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

\(\Rightarrow3\left(x+1\right)=96-42\)

\(\Rightarrow3\left(x+1\right)=54\)

\(\Rightarrow x+1=18\)

\(\Rightarrow x=17\)

Ủng hộ mik nha