Respuesta :

irspow
-4x-8=-7(x-1)

-4x-8=-7x+7

3x=15

x=5
privvabriii
the answer to your question is 5 or x=5  
step 1: simplify both sides of the equation
step 2: add 7x to both sides 
step 3: add 8 to both sides
step 4: divide both sides by 3 
 answer: 5