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How do you solve #3(x - 2) + 5x = 18#?

Answer 1

Julia Adams

#x = 3#

#3(x-2) +5x = 18#

#3(x) + 3 (-2) +5x = 18#

#3x-6 +5x = 18#

#8x -6 = 18#

#8x = 18 +6#

#8x = 24#

#x = 24/8#

#x = 3#

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Answer 2

Abigail Allen

To solve the equation 3(x - 2) + 5x = 18:

Distribute the 3: 3x - 6 + 5x = 18.
Combine like terms: 8x - 6 = 18.
Add 6 to both sides: 8x = 24.
Divide both sides by 8: x = 3.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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