Respuesta :

Answer:

−84

Explanation:

Let x be the unknown number.

From the queston we can form the equation

x(−7)−2=10

Move −2 to the right hand side

x(−7)=10+2x(−7)=12

Multiply both sides by −7 to get the unkonwn no.

−7x(−7)=12⋅(−7)x=−84



Hope this helps