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How to check 12x + 9 = 15 i already know the answer i just need help checking !!

How to check 12x + 9 = 15 i already know the answer i just need help checking !!
asked 1.9k views
4 votes
How to check 12x + 9 = 15
i already know the answer i just need help checking !!

asked
User Ntakouris
by
7.6k points

1 Answer

4 votes
take the 9 to the other side but you have to change the sign of it so it becomes 12x=15-9
so 12x=6
finally you just have to devide all of the remaining numbers by 12 so x=0.5
answered
User Koe
by
8.2k points
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