Question

Consider this equation.

7.8 + 2(0.75m + 0.4) = -6.4m + 4(0.5m - 0.8)



Mia solved the equation and determined that m = 2. Is she correct?

She is incorrect because when substituting 2 for m the result was a true statement.

She is incorrect because when substituting 2 for m the result was a false statement.

She is correct because when substituting 2 for m the result was a true statement.

She is correct because when substituting 2 for m the result was a false statement.

Can someone please help me?

Answer 1

it's wrong

Explanation:

because the answer in this 7.8 + 2(0.75m+ 0.4) is not 6.4