anaiya87
anaiya87 anaiya87
  • 14-09-2018
  • Mathematics
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Helppppp meeeeeeeee Explain how to evaluate

Helppppp meeeeeeeee Explain how to evaluate class=

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purpleklondike52
purpleklondike52 purpleklondike52
  • 14-09-2018

A variable is a letter, for example x, y or z, that represents an unspecified number.

6 + x = 12

To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12.

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