3 years ago

Quickfire questions

Mathematics

2 answers:

d1i1m1o1n [39]3 years ago

6 0

Nzhzhbzsbbzbsbbzbzbzbz

AysviL [449]3 years ago

4 0

Answer:

10 4 for question one

Step-by-step explanation:

I don't have one I just know how and I did this

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IceJOKER [234]

$3x-10=17\ \ \ \ /+10\\\\3x-10+10=17+10\\\\3x=27\ \ \ \ /:3\\\\3x:3=27:3\\\\x=9\\\\\\\\6x+20=6\cdot9+20=54+20=74$

$3x-10=17\ \ \ /\cdot2\\\\2\cdot3x-2\cdot10=2\cdot17\\\\6x-20=34\ \ \ \ /+40\\\\6x-20+40=34+40\\\\6x+20=74$

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