Respuesta :
Answer:
x = 3
Step-by-step explanation:
- Subtract 1 from each side, so it now looks like this: -7x = -21
- Divide each side by -7 to cancel out the -7 next to x. It should now look like this: x = 3
I hope this helps!
Answer:
x = 3
Step-by-step explanation:
I hope this helps!