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How do you solve #10x + 2 = 7x - 10#?

Answer 1

Ethan Adkins

#-4#

#10x-7x=-10-2#

# 3x=-12#

# x=-12/3#

# x=-4#

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Answer 2

Jace Anderson

To solve the equation 10x + 2 = 7x - 10:

Subtract 7x from both sides: 10x - 7x + 2 = 7x - 7x - 10
Simplify: 3x + 2 = -10
Subtract 2 from both sides: 3x + 2 - 2 = -10 - 2
Simplify: 3x = -12
Divide both sides by 3: 3x / 3 = -12 / 3
Simplify: x = -4

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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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