Solve using the Square Root Property 100+20x=3.90

Math
100+20x=3.9
Move all terms not containing x to the right side of the equation.
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Subtract 100 from both sides of the equation.
20x=3.9-100
Subtract 100 from 3.9.
20x=-96.1
20x=-96.1
Divide each term by 20 and simplify.
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Divide each term in 20x=-96.1 by 20.
20×20=-96.120
Cancel the common factor of 20.
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Cancel the common factor.
20×20=-96.120
Divide x by 1.
x=-96.120
x=-96.120
Divide -96.1 by 20.
x=-4.805
x=-4.805
Solve using the Square Root Property 100+20x=3.90

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