Answer:
x=-9
Step-by-step explanation:
- First write the given equation
[tex]{:}\rightarrowtail\sf 2x+3=-15 [/tex]
[tex]{:}\rightarrowtail\sf 2x=-15-3 [/tex]
[tex]{:}\rightarrowtail\sf 2x=-18 [/tex]
[tex]{:}\rightarrowtail\sf x=\dfrac{-18}{2}[/tex]
[tex]{:}\rightarrowtail\sf x=-9 [/tex]
