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4x + 3x -7 =49 i need an answer.
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4x + 3x -7 =49 i need an answer.

User Thanh DK
by
5.6k points

2 Answers

1 vote

Answer:

x = 8

Explanation:


4x+3x-7=49\qquad\text{combine like terms}\\\\(4x+3x)-7=49\\\\7x-7=49\qquad\text{add 7 to both sides}\\\\7x-7+7=49+7\\\\7x=56\qquad\text{divide both sides by 7}\\\\(7x)/(7)=(56)/(7)\\\\x=8

User Amandasaurus
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4 votes

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4x + 3x -7 =49 i need an answer.-example-1
User Yury Matatov
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