How would you solve 3x-4=9x-21

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asked Aug 6, 2018 134k views

2 Answers

Andy Braham · Answer 1 · 2018-08-11T15:27:41+0000

3x - 4 = 9x - 21

Subtract 9x from both sides.

3x - 9x - 4 = -21

Add 4 to both sides.

3x - 9x = -21 + 4

Simplify.

-6x = -17

Divide both sides by -6.

x = 17/6 AND 2 5/6

~Hope I helped!~

How would you solve 3x-4=9x-21

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