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distribute and combine like terms
then move your x's to a side and your constants to the other side
can you please show me how? I am so confused
2(3x+7) multiply the 2 to each term inside the parenthesis 2*3x + 2*7 6x + 14 do that for each one
so the next one would be 4x3+4x2 = 12x+8
the next is 6x5+6x9 = 30x+54
good now add terms that have the same variable ex: 2x-4x = -2x you cant add constants with x's
i just noticed i messed up on the first one it should be 6x-14
I saw its okay. I wrote it down as subtraction
so my problem now shows 6x-14+12x+8=30x+54+3 right
6x+12x+30x = 48x
If I put the x's together
almost dont forget theres an "=" sign separating them so add 6x+12x = 18x but keep 30x on other side for now
okay so then it becomes......6x+12x=18x+30x+54
good now add the constants together on both sides
the +12 should be+8
and the 14 is negative
correct but it should -14+8 i think you just copied it down wrong
oops...my problems got mixed up some how.....let me back up. It should be 18x-14+8=30x+54+3
okay so now I get......18x-6=30x+57
now we want to combine terms from the other side of the equal sign lets add 6 to both sides this works because -6+6=0 on left side
so left side is just now 18x=30x+57+6 which is 8x=30x+63
very good now to get all the x's on the left we should do what?
would I subtract them since the left side was subtracting??
yes, the goal is to cancel the x's on the right
18x=63 thats what I am left with right?
remember before we added 6 to both sides same here whatever you do to one side you do to the other so we have to subtract 30x on the left too
watch out for your signs (18-30=-12) 2/2 = 1 -4/-4 =1 so if we divide a num by itself we always get 1 and the goal is to have 1x on the left side but right now we have -12 so have to divide by -12 on both sides
so if we divide 63 by 12 it comes to 5.25. so x=5.25
almost watch those signs its negative but yes the number is correct :)
your welcome remember those steps