SOLUTION: Please help with this: solve
√(7x-8) = √(3x +12)
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Question 685853: Please help with this: solve
√(7x-8) = √(3x +12)
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Square both sides to get
7x - 8 = 3x + 12
Now solve for x
Start with the given equation.
Add to both sides.
Subtract from both sides.
Combine like terms on the left side.
Combine like terms on the right side.
Divide both sides by to isolate .
Reduce.
So the *possible* solution is
You need to check if it's actually the solution. You do so by plugging it back in like this
which is TRUE
So is indeed the solution.
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