3/10(x+2)=12?
3/10(x+2)=12 Multiply through by the 3/10 to get
3/10x + 6/10 = 12 Subtract 6/10 from both sides of the equation
3/10x = 11 4/10 Multiply both sides by 10/3
x = 114/10 * 10/3
x = 114/3 = 38
+37084 
