Solve the System by Substitution, If Possible

question 4

Multiple Choice

Solve the system by substitution, if possible.

• A)(10, -5)
• B)(-6, 11)
• C)(-2, -8)
• D)(9, 2)
• E)no solution; inconsistent system

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Definitions:

Consumption

The portion of income spent on goods and services rather than saved.

Billion

A number equivalent to one thousand million (1,000,000,000) or, in some number systems, a million million (1,000,000,000,000).

Saving

The portion of income not spent on current consumption but set aside for future use, often in a deposit account or as an investment.

Disposable Income

The sum of funds a family can use for expenditures and savings once income taxes are deducted.