Answer:
x=3.5
Step-by-step explanation:
1. Multiply
18x-12=5x+30
2. Move the x's to one side
12x= 42
3. Isolate the variable by dividing
51
5*5=25
5/5=1
5+25+1-5+25
30+1-5+25
31-5+25
26+25