Question

- 5 + 7 m - 20 = 20 - 2 m

Answer 1

Answer:

m=5

Step-by-step explanation:

collecting like terms you have;

-5-20-20 = -2m-7m

-45= -9m

dividing both sides by -9 to get m will become

-45÷-9=5

where minus divides minus and 45 divided by 9 will be equal to 5