Respuesta :
Answer:
x+4=3x-8
Step-by-step explanation: 'x' is our variable. we don't know it. increased means add, times means multiply, and decreased means subtract.
Answer:
6
Step-by-step explanation:
x+4=3x-8 -x from both sides
4=2x-8 +8 to both sides
12=2x divide 2 on both sides
6=x
