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How do you solve #7( 2x + 7) = 4+ 5x#?

Answer 1

Abigail Allen

#x=-5#

#7(2x+7) = 4 +5x#

#9x= -45#

#(9x)/9 = (-45)/9#

#x= -5#

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Answer 2

Avery Alexander

To solve the equation 7(2x + 7) = 4 + 5x:

Distribute the 7 on the left side: 14x + 49 = 4 + 5x
Move the variables to one side and the constants to the other: 14x - 5x = 4 - 49
Combine like terms: 9x = -45
Divide both sides by 9: x = -5

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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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