SOLUTION: how do you solve..7[x+3]=42

Question 207552: how do you solve..7[x+3]=42
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given equation

Divide both sides by 7

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

or Set the expression equal to the original value 6 and it's opposite -6

Now lets focus on the first equation

Subtract 3 from both sides

Combine like terms on the right side

-------------

Now lets focus on the second equation

Subtract 3 from both sides

Combine like terms on the right side

So the solutions are or

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