Answer:
12m - 4
☆ putting the value of m in the above formula
12 × 4 - 4
= 48 - 4
= 44
6r - 4
☆ Putting the value of r in the above formula
6 × 6 - 4
= 36 - 4
= 32
Answer:x=8 so 60 for both aswers
Step-by-step explanation:10x-7x = 4+20 -> 3x=24 -> x=8
Answer:

Step-by-step explanation:
subtract 3 from both sides


divide each term by 6


simplify

5 - 5b < 1 - 4b
5 < 1 + b
4 < b
1 - 4b < 6 - 5b
1 + b < 6
b < 5
4 < b < 5
(The second less than sign is less than or equal to)
The answer is 326. this is simple.