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18. 3(10x-15) + 5 1 (12x +3) 3
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5 votes
18.
3(10x-15) +
5
1 (12x +3)
3

User Soey
by
7.8k points

1 Answer

3 votes

Answer:

30x-45+60x+15

collect like terms

-45+15+30x+60x

=-30+90x

divide both sides by -30

-30x/-30 =90/-30

x=-3

User Mr Singh
by
7.8k points
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