Find the Solution to the System of Equations by Substitution $$\begin{array} { l } x + 4 y = 7 \\- 3 x - 12 y = - 21\end{array}$$

question 60

Multiple Choice

Find the solution to the system of equations by substitution.
- $$\begin{array} { l } x + 4 y = 7 \\- 3 x - 12 y = - 21\end{array}$$

• A)(7, 0)
• B)(0, 0)
• C)infinite number of solutions
• D)no solution

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Definitions:

Voucher System

An accounting system that involves a written authorization or record for any transaction that will result in a cash payment.

Cash Payments

Transactions that involve the immediate transfer of cash to settle a debt or purchase goods or services.

Acceptance

Acceptance in business refers to the agreement to the terms of a contract or an acknowledgment that a product or service meets the required standards.

Cash Receipts

Money received by a business during a given period, accounting for its cash inflow.