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For b how do you what do you do after completing the matching 5x and -x

For b how do you what do you do after completing the matching 5x and -x
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For b how do you what do you do after completing the matching 5x and -x

For b how do you what do you do after completing the matching 5x and -x-example-1
User SeahawksRdaBest
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3x - 2 - x = 7 - x
2x - 2 = 7 - x ......add x to both sides
2x + x - 2 = 7 - x + x
3x - 2 = 7...add 2 to both sides
3x - 2 + 2 = 7 + 2
3x = 9....divide both sides by 3
(3/3)x = 9/3
x = 3
User Frankegoesdown
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