SOLUTION: I really need a refresher here! Please help :) a)solve the equation symbolically b)classify the equation as a contradiction, an identity, or a conditional equation. 7

SOLUTION: I really need a refresher here! Please help :) a)solve the equation symbolically b)classify the equation as a contradiction, an identity, or a conditional equation. 7 - 9z =

Question 402927: I really need a refresher here! Please help :)
a)solve the equation symbolically
b)classify the equation as a contradiction, an identity, or a conditional equation.
7 - 9z = 2(3 - 4z) - z
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
distributing (the 2) ___ 7 - 9z = 6 - 8z - z

7 - 9z = 6 - 9z ___ there is obviously something amiss

this would be classified as a contradiction
___ in order for the equality to be true , z must have different (contradictory) values on either side of the equation
RELATED QUESTIONS
Help me solve this equation. The equation has to be solved (a)symbolically... (answered by Alan3354)

We are learning this in class and my teacher goes way to fast. Could you please help me... (answered by mananth)

Hi I am trying to help my teenager with his homework, but I need a refresher, here is the (answered by scott8148)

Classify the following statement, using any technique you can: ~A ∨ (B ⊃... (answered by Edwin McCravy)

hello tutors. i need your help with this problem. find an equation of the line that... (answered by rfer,Theo)

[(1+b)/b](x) + [(1+a)/a](y) = b-a x/a - 4y/b = 5 Need help please. I got this... (answered by josgarithmetic)

can you show a formula and solve for me the following this is a refresher college math... (answered by Cintchr)

I am having difficulties solve the following problem, can someone please help me? Thank... (answered by stanbon)

I need a refresher in order to work with linear equations, please help! The problem I am (answered by usyim88hk,cleomenius)