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4x-2=90 wha is the answer to this problem?

User Isiaatz
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2 Answers

3 votes
Your goal is to get "x" by itself on one side


4x-2=90

Add +2 to each side


4x-2+2=90+2


4x=92

Divide 92 by 4

92÷4=23


x=23

User Hunter Turner
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8.4k points
2 votes
Firstly, you want to get 4x alone, so to do this, you add 2 to both sides, as you always do the opposite operation.
This then becomes
4x=92
To get x alone, you then divide both sides by 4.
92/4=23
Therefore, x= 23
Hope this helps :)
User Laffen
by
9.2k points

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