Question

2(𝑥−1)=7+(−3)

Answer 1

\(2\left(x-1\right)=7+\left(-3\right)\\ \Rightarrow2\left(x-1\right)=4\\ \Rightarrow x-1=2\\ \Rightarrow x=3\)

Answer 2

\(\Rightarrow2\left(x-1\right)=4\)

\(\Rightarrow2x-2=4\)

\(\Rightarrow2x=6\)

\(\Rightarrow x=3\)