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Mathematics 20 Online
OpenStudy (anonymous):

how do i solve this? -2x+4+6x-7

OpenStudy (anonymous):

will give medal :)

OpenStudy (unklerhaukus):

can you identify the like terms?

OpenStudy (anonymous):

do i put those together tho? like... 4x+3?

OpenStudy (unklerhaukus):

the numbers without x, are like terms and can be added the terms with x, are like terms and can be added, but therms without x, cannot be added to the terms with x

OpenStudy (anonymous):

so.. did i solve it then?

OpenStudy (unklerhaukus):

your almost right , but the negative sign is attached to the seven

OpenStudy (anonymous):

4x-11?

OpenStudy (unklerhaukus):

-2x+4+6x-7 -2x+6x+4-7 (-2+6)x+(4-7)

OpenStudy (anonymous):

4x+-3?

OpenStudy (unklerhaukus):

That's it!

OpenStudy (anonymous):

oh my gosh :D that was easier than i though! thank you!

OpenStudy (unklerhaukus):

(you can simplify ' +- ' to ' - ' )

OpenStudy (anonymous):

i always have trouble with that rule so i kinda wondered :P

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