masonsee4ytube
12.09.2021 •
Mathematics
Can someone help me with this 3(x – 2) = 9x
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Ответ:
or,3x-6=9x
or,3x-3x=6
or,x=-1
is this how u do it please let me know
Ответ:
-1=x
Step-by-step explanation:
3(x-2)=9x
distributive property
3x-6=9x
Cancel (subtract) 3x from both sides
-6=6x
divide both sides by -6
-1=x
Please mark brainliest!
Ответ:
A. 40
Step-by-step explanation:
CP= x, SP= £36, sale= 10%
SP= CP- 10%= CP*0.9
x*0.9= £36
x= £36/0.9= £40