7(4 -3z) + 3 = -6(z - 4) - 8

Question

anonymous · Answer

if I am correct... this equation can not be solved

raffle_snaffle · Answer

it can be solved

raffle_snaffle · Answer

distribute the 7 throug and -6 through then combine like terms

anonymous · Answer

I know the next step is 
28 - 21z + 3 = -6z - -24 - 8

paki · Answer

next step is combine like terms... like "z" here....

paki · Answer

like this... 

-21z+6z=-24-8-28-3

paki · Answer

now solve... what you get...

anonymous · Answer

but the 6z is a negative

paki · Answer

yup 6z is negative, but when you shift it to the other side, its sign changes...

paki · Answer

-15z=-63.... is this rite.... @patrick_alvarado89

anonymous · Answer

yea

paki · Answer

hmm... so what will be the next step....?

anonymous · Answer

-15z/-15z = -63/-15

paki · Answer

hmmm excellent rite... so answer will be....?

paki · Answer

divide by only "15",,,, not "z"... ok...

anonymous · Answer

-21/-5

paki · Answer

see... this is -15z=-63... ok... so first cancel the "minus" signs from bith thwe sides, then divide by "15"... like this....

15z=63
 or 
z=63/15
or 
z=21/5

paki · Answer

clear now... @patrick_alvarado89

anonymous · Answer

ok... I thought that since they were negatives they stayed negatives

paki · Answer

no... negative signs will be cancel, as they are on both the sides... if there were only one negative sign, then it will be as it as...

anonymous · Answer

got it.

paki · Answer

nice.... :-)

anonymous · Answer

thanks. I owe you

paki · Answer

:)