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3x+5 = 4x-10

In algebra, what you do to one side you do the other

Now you add 10 to both sides

3x+5 + 10 = 4x-10+10

3x +15 = 4x

now subtract 3x from both sides

3x-3x +15 = 4x-3x

15 = x

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15y ago

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