What value of the variable makes the statement true? m+4 = - 2.8

a. - 6.8

b. - 1.2

c. 1.2

d. 6.8

The value of the variable that makes the statement true is

a) - 6.8

This is because if you plug it back into the equation, you get - 6.8 + 4 = - 2.8. Then, if you combine like terms on the left side of the equation, you get - 2.8 = - 2.8, which is a true statement.