Answer:
-12
Step-by-step explanation:
Since m1 = 10x + 4 and m2 = 5x - 4 then we can write it as:
10x+4=5x-4
Combine the like terms:
10x-5x=-4-4
5x=-8
Divide both sides by 5
5x= -8/5
x=-8/5
Now substitute the value of x in 5x-4
= 5(-8/5) - 4
= -8-4
= -12
Thus m2 = -12....
