Solve for x
x = \frac{7}{2} = 3\frac{1}{2} = 3.5
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2x-7=0
Variable x cannot be equal to -3 since division by zero is not defined. Multiply both sides of the equation by x+3.
2x=7
Add 7 to both sides. Anything plus zero gives itself.
x=\frac{7}{2}
Divide both sides by 2.
Examples
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Matrix
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Simultaneous equation
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Limits
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