Solve the System by Substitution

question 120

Multiple Choice

Solve the system by substitution.
-x - 7y = -56 9x - 7y = -112

• A) No solution
• B) (-6, 6)
• C) (-7, 7)
• D) (7, 6)

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Definitions:

Interest Payment

The amount paid by a borrower to a lender for the use of borrowed money, typically expressed as an annual percentage.

Semiannual Interest

Interest calculated and paid twice a year, often related to bonds or loans with fixed interest rates.

Straight-line Method

A technique for computing depreciation or amortization that evenly divides the asset's cost over its expected lifespan.

Bond Liability

An obligation or debt represented by bonds issued by a company, which it is required to repay at a specified time with interest.