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# Solving Systems of Equations with Unique Solutions

SATMAT-YCBXOE

Use the elimination method of solving a system of equations to solve the following equations. If applicable, express your answer as a coordinate pair.

$$5x-30y=180\\\ \frac 12x-3y=18$$

A

Infinitely many solutions.

B

$(36, 0)$

C

$(72, -6)$

D

No solution.