Question

Answer 1

=>x+1=-9

hay x=-10

Answer 2

-10

Answer 3

\(\Leftrightarrow4\left(x+1\right)=-3.12\Leftrightarrow4x+4=-36\Leftrightarrow x=-10\)

Answer 4

\(\dfrac{x+1}{12}=\dfrac{-3}{4}\\ \Rightarrow4\left(x+1\right)=-3.12\\ \Rightarrow4x+4=-36\\ \Rightarrow4x=-36-4\\ \Rightarrow4x=-40\\ \Rightarrow x=-40:4\\ \Rightarrow x=-10\)