Solve for x
x=0
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2x+79x=0\times 28
Multiply 2 and 1 to get 2.
81x=0\times 28
Combine 2x and 79x to get 81x.
81x=0
Multiply 0 and 28 to get 0.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since 81 is not equal to 0, x must be equal to 0.
Examples
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Limits
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