How do you solve $4x+7=3x+18$ ?

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How do you solve $4x+7=3x+18$ ?

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Answer 1 · 2015-03-24T23:38:03

I would collect all the $x$ on the left and all the numbers on the right but remember to change their signs when you move them across the equal sign:
$4x-3x=-7+18$
Notice the change of signs of $3x$ and $7$ ;
You get adding the $x$ s and the numbers:
$x=11$ which is the result of your equation!

Try to substitute $x=11$ in your original equation to check that is the right result!

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How do you solve $4x+7=3x+18$ ?

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