Solve for x
x\in \mathrm{R}
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7x+21>7x+5
Use the distributive property to multiply 7 by x+3.
7x+21-7x>5
Subtract 7x from both sides.
21>5
Combine 7x and -7x to get 0.
x\in \mathrm{R}
This is true for any x.
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Limits
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