Answer:
A, the correct answer is A
Answer:
7/10
Step-by-step explanation:
2/5 multiply the denominator by 2 which will make it 10. Then multiply the numerator by 2 which will make it 4. So it will be 4/10. Then add 4/10 to 3/0 which makes 7/10.
20 in because it will over everything
Simplify both sides of the equation
M+-m+5m+7m = -12
Combine like terms
12m=-12
Decide both sides by 12
12m/12=-12/12
The answer is m=-1
