Answer:
in the explanation :)
Step-by-step explanation:
a) 5.3g+9=2.3g+15
5.3g-2.3g=15-9
3g=6
g=2
b) 6-6x=5x-9x-2
6+2=5x-9x+6x
8=2x
4=x
c) 12x-5x+165=12x+65
12x-5x-12x=65-165
-5x=-100
x=20
Hope this helps!
