How do I work out 3x + 65 = 7x + 13

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asked Aug 8, 2015 189k views

1 Answer

PSR · Answer 1 · 2015-08-13T16:03:52+0000

3x + 65 = 7x + 13

Here's one way:

Subtract 3x from each side: 65 = 4x + 13

Subtract 13 from each side: 52 = 4x

Divide each side by 4 : 13 = x

How do I work out 3x + 65 = 7x + 13

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