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I NEED HELP!!!!! 7x-9=4x+90
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1 vote
I NEED HELP!!!!!
7x-9=4x+90

User Corbfon
by
3.3k points

2 Answers

3 votes
Your answer would be 33
User Zakiyyah
by
3.4k points
5 votes

Answer:

33

Explanation:

Our whole goal is to get x "alone"

7x-9=4x+90

Start by subtracting 4x from each side (7x-4x)-9=(4x-4x)+90

3x-9=90

Now, add 9 to each side 3x-9+9=90+9

3x=99

Now divide 3 from each side (3x/3)=99/3

x=33

User Mcjudd
by
3.9k points
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