Answer:
1/2x-3=141
so first add 3 from both sides:
1/2x=141+3
1/2x=144
next divide is 1/2 on both sides
x=144/(1/2)
x=288
x= 288
Step-by-step explanation:
-3+3 which cancels out and you do 141+3 which gives you 145
you are left with 1/2x=145
and you divide 145 by 1/2x and you get
i hope this is right
