Unformatted text preview: come up with 5 = 5 which is true. We know if an equation has no solution if either side of the equal signs solution do not equal the same number. An example of this is 4 + x = x + 7, we subtract x on both sides of the equal sign and get 4 = 7 which is false....
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- Summer '09
- Equals sign, Plus and minus signs, equal sign