Answer:
hope this helps!
Step-by-step explanation:
3x-2.5x+0.5=4.5
We move all terms to the left:
3x-2.5x+0.5-(4.5)=0
We add all the numbers together, and all the variables
0.5x-4=0
We move all terms containing x to the left, all other terms to the right
0.5x=4
x=4/0.5
x=8