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Unformatted text preview: variables.
Draw a picture, labeling pertinent quantities.
Make a model. This is generally an equation or an expression.
Use the model to solve the problem. Outline Linear Equations Equations in More Than One Variable Examples Example
The area near the joining of the Tigris and Euphrates Rivers (in
modern Iraq) has often been called the Cradle of Civilization, since
the area has evidence of many ancient cultures. The length of the
Euphrates River exceeds that of the Tigris by 620 mi. If they have
a combined length of 2880 miles, how long is each...
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