i need tips on algabra . how do i know which number to add to each side ? for example , when i have the prob 7x-56=3x+12 then which number do i put to each side? whats the next step?

Question

i need tips on algabra  . how do i know which number to add to each side ? for example , when i have the prob 7x-56=3x+12  then which number do i put to each side? whats the next step?

anonymous · Answer

Suppose you isolate x terms to the left side, you will add 56 to move to right side!

anonymous · Answer

sooo it looks like tho , i always use the number on the left side of the = sign  . is that right?

anonymous · Answer

It's good habit to ease your confusion :)

anonymous · Answer

so id subtract 56 from 12?

anonymous · Answer

In other way, switch all variable terms to left sides: 7x - 3x
switch the rest to right side: 12 + 56

anonymous · Answer

so 7x-44=3x

anonymous · Answer

Put them together: 4x = 68
                          ->   x = 68/4 = ...

anonymous · Answer

aw thats confusing becuase i dont think we ido it like that in class

anonymous · Answer

Do whatever way that you're comfortable as long as you find solution x = ...

anonymous · Answer

well okay , but if i get 7x-44=3x next  would that be right

anonymous · Answer

switch all variable terms to left sides: 7x - 3x = 4x
Where do you get this                          7x-44=3x ??? :O

anonymous · Answer

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