SOLUTION: -4‌ 3x – 7 ‌ = -20

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Question 180763: -4‌ 3x – 7 ‌ = -20

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation


Divide both sides by -4



Break up the absolute value (remember, if you have , then or )

or Set the expression equal to the original value 5 and it's opposite -5




Now lets focus on the first equation


Add 7 to both sides


Combine like terms on the right side


Divide both sides by 3 to isolate x



Reduce






Now lets focus on the second equation



Add 7 to both sides


Combine like terms on the right side


Divide both sides by 3 to isolate x



Divide





So the solutions to are:

and


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