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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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∙ 14y ago
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