Question

What is the solution to the equation 0.8m − 4 = −0.8m?

m = 0.2
m = 0.4
m = 1.5
m = 2.5

Answer 1

2.5

Explanation:

Answer 2

m = 2.5

Explanation:

Add 0.8 m to both sides, obtaining 0.8m + 0.8m - 4, or 1.6m - 4 = 0.

Now add 4 to both sides. Result: 1.6m = 4, and m = 4/1.6 = 2.5 = m