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Mathematics 18 Online
OpenStudy (anonymous):

Simplify: -15h – 6j + 8h – j

OpenStudy (zzr0ck3r):

group the H terms and the J terms together then do the addition subtraction

OpenStudy (zzr0ck3r):

-15h+8h -6j-j

OpenStudy (zzr0ck3r):

(-15h+8h) + (-6j-j) whats the answer?

OpenStudy (anonymous):

in combining like terms, look at the signs, if their signs are different, you subtract, then copy the sign of the larger coefficient of the literal factor.

OpenStudy (anonymous):

example: -5x+3x = -2x.

OpenStudy (anonymous):

if the signs are the same, you may add and copy the common sign, example: -4x-2x=-6x.

OpenStudy (anonymous):

Another way to look at his is to group the two terms together like zzr0ck3r, \[-15h+8h-6j-j\] then factor the first two and second two terms take j and h out \[(-15+8)h+(-6-1)j\] then just do the simple algebra

OpenStudy (anonymous):

that's also right, then apply the rules of addition of integers, then affix the corresponding literal factor.

OpenStudy (anonymous):

7h+5j is your answer

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