137k views
4 votes
3x-9=x-8
what is X??​

User Zmey
by
4.9k points

2 Answers

6 votes

Answer:

0.5

Explanation:

3x-9=x-8

3x=x-8+9

3x=x+1

3x-x=+1

2x=+1

x=1/2

x=0.5

User Jdoe
by
5.2k points
1 vote

Answer:

x=½

Explanation:

3x-9=x-8(Group like terms)

3x-x=-8+9(You will subtract x which is also 1x from 3x which is going to be 2x Then you will add -8 to 9 making it 1(positive)).

2x=1(Divide both sides by 2)

x=½

User Fdehanne
by
4.8k points
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