Respuesta :
7j + 17 = 87
Subtract 17 from both sides.
7j = 70
Divide both sides by 7.
j = 10
The value of the unknown number, or j, is equal to 10.
Answer:
turn this into an equation 17+7j=87 then solve for j subtract 17 on both sides 7j=70 divide by 7 on both sides so j=10
- hope this helps!:)