I always get stumped with 14(34+36+16) * x+y+z\13z. Can I get help?

1 Answer
Ms. Worth
Aug 3, 2018

You approach problems like this with the calm trust
that the rules for math always work .

Explanation:

Math is particularly easy because -- unlike the rules for spelling English words(!), for example -- in math rules
there are #no# #exceptions#

Problems are solved by following the " PEDMAS " procedure.
You can remember this procedure by the sentence
" P lease E xcuse M y D ear A unt S ally"

P = first solve inside the P arentheses
E = next solve any E xponents
M = then M ultiply
D = D ivide next
A = A dd
S = S ubtract
.................

In this case, the rules apply like this:

#14(34+36+16) xx (x+y+z)/(13z)#

1) Solve inside the P arentheses

#"14 (86)"/"1" xx (x+y+z)/(13z)#

2) M ultiply by multiplying the numerators and multiplying the denominators

#"14(86) (x + y + z)"/"13z"# #larr#Answer

The expression cannot be simplified because
#13# is not a factor of #14(86)#

...........

Note: You can solve #14(86)# if you want, but there's no point in doing all that work for no purpose.

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