What is the first step in solving the equation 3.5n+6.4=42.5?
(A)Add 6.4 to each side of the equation.
(B) Subtract 6.4 from each side of the equation.
(C)Multiply each side of the equation by 3.5.
(D)Divide each side of the equation by 6.4.
i thinks it is b because you have to subtract the numbers of 6.4from 42.5 and then u get an answer then u divide the 3.5n to the answer u get after subtracting the numbers of 6.4 from 42.5