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Solve for x: 3x + 2 = 7x - 6
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12 votes
Solve for x:
3x + 2 = 7x - 6

Solve for x: 3x + 2 = 7x - 6-example-1
User Cloudbud
by
3.2k points

2 Answers

9 votes
Answer: D.2

Work:
8=4x
x= 2
User John Pancoast
by
3.3k points
9 votes

Answer:


\sf D.\;\;x=2

Explanation:


\sf 3x + 2 = 7x - 6

Subtract 2 from both sides:-


\sf 3x+2-2=7x-6-2

Simplify:-


\sf 3x=7x-8

Subtract 7x from both sides:-


\sf 3x-7x=7x-8-7x

Simplify:-


\sf -4x=-8

Divide both sides by -4:-


\sf (-4x)/(-4)=(-8)/(-4)

Simplify:-


\sf x=2

User TurboFish
by
3.3k points
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