Solve for x
x=0
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\left(5+x\right)\times 0=20x
Multiply 0 and 5 to get 0.
0=20x
Anything times zero gives zero.
20x=0
Swap sides so that all variable terms are on the left hand side.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since 20 is not equal to 0, x must be equal to 0.
Examples
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Matrix
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Integration
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Limits
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