KellySund
-8X+10-2X+9? (Show Work)
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godorovg
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is this to solve for X? or what?
godorovg
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you there??
KellySund
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yah you have to solve x
godorovg
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okay so what is throwing on this problem?
KellySund
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C.L.T Board Problems
godorovg
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oh.. okay well we can work this together and solve it.
godorovg
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first off tell me are there a like terms what I mean numbers with X's with them?
godorovg
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|dw:1345681091544:dw|
godorovg
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with the x terms in my drawing we can bu them together like this 8x-2x+10+9
godorovg
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is this making sense to you??
KellySund
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ok
godorovg
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so now what 8x-2x=?
KellySund
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-10
KellySund
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the 8 was supposed to be -8
KellySund
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so then -10x+10+9=9?????
godorovg
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okay -8x-2x=-10 good now add the 10+9 together and we have?
godorovg
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-10x=10+9
KellySund
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oh i know how to do that! but what about stuff like -2-x-x and x+x+x+10
godorovg
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okay -x-x? that is -2x because when we have -vs- we add. X has conf of one when no value is being denfined 3x+10 because again you are adding 1 which is what the x has a value of.
godorovg
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unless the -2 has and x like this -2x you can not put together. since our -2-x-x the only thing you can do here is -2 -2x terms don't match.
godorovg
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in other words when you an X unless there a number in front think one. But not when there X^2 no.
KellySund
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okay what about -3x-x+7x-12+x-20, -11y+4x+y-x, and -8 times -8x +9x-4 times 4x+6
godorovg
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okay let us do in this in steps. first what can we do with all X terms. Recall x terms are numbers and or x's that can added or subtracted or divided?
godorovg
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only about this part only -3x-x+7x-12+x-20
godorovg
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okay I see something that equals =0 off the bat in X's
KellySund
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okay thanks for your help!
godorovg
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you sure you understand now?