Ask your own question, for FREE!
Mathematics 17 Online
OpenStudy (anonymous):

Pleaaasee help ! D: 8. Solve: 11x - 9 = 5x - 12x + 19 Step 1: 11x - 9 = -7x + 28 Step 2: 11x = -7x + 28 Step 3: 4x = 28 Step 4: x = 7 Which is the first incorrect step in the solution shown above? A. Step 1 C. Step 3 B. Step 2 D. Step 4

OpenStudy (anonymous):

step two to step three. -11x instead of +11x

OpenStudy (anonymous):

which step ?

OpenStudy (anonymous):

I guess it would be step three. The error occurs between the two steps though since they don't show the actual step of subtracting it.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!