1. 4x-6= 18
+6 +6
4x=24 then divide 4 by both sides
x=6
2. 12m-8= 88
add 8 to both sides
12m = 96 then divide by 12 for both sides
m= 8
same thing for the rest except last one
6. 1/2m-4=2
1/2m = 6, cancel out the 2 in the denominator in 1/2 by multiplying both sides by 2
1m = 12
or just m=12