When are reciprocals used to solve an equation?

Question

25-10-2022
Mathematics

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When are reciprocals used to solve an equation?

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PrynceM611428 PrynceM611428 · Answer 1 · 2022-10-25T21:14:06+02:00

It's important to know that reciprocals are the multiplicative inverse of a numbers, for example, the reciprocal of 7 is 1/7.

As you can observe, using reciprocals would help to solve equations when we have to get rid off a factor. For example, if we have the equations 4x = 8, we would use the reciprocal of 4 to isolate the variable x: (4x)/4 = 8/4 then x = 2.

When are reciprocals used to solve an equation?

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Therefore, reciprocals are used to move factors across the equation to isolate the variable.

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