Q13. Evaluate the expressions using = 6, y = 12.-=-3
y z+
2 3
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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. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.
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Causes of Depletion of Natural Resources
Overpopulation. The total global population is more than seven billion people. ...
Poor Farming Practices. ...
Logging. ...
Overconsumption of Natural Resources. ...
Pollution. ...
Industrial and Technological Development
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