asked 36.9k views
3 votes
-3x+18=7x-12
solve for x

2 Answers

5 votes

-3x + 18 = 7x - 12

we want to get x on only one side so you would add 3x to 7x

18 = 10x - 12

next, we want the 18 and 12 on the same side so you add 12 to 18

30 = 10x

finally we want the x by itself so you will divide 10x and 30 (since you need to do it for both sides) by 10

final answer:

10 = x

or

x = 10

answered
User Itzhaki
by
8.2k points
2 votes

-3x+18=7x-12

the answer is x=3 !!

answered
User Aditya Heartly
by
8.3k points

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