Solve the System by the Addition Method, If Possible A) $- 5$

question 50

Multiple Choice

Solve the system by the addition method, if possible. If a solution exists, give the value of y. $\left\{ \begin{array} { l } \frac { x - 10 } { 5 } + \frac { y + 3 } { 3 } = - \frac { 37 } { 15 } \\\frac { x + 3 } { 3 } + \frac { y - 10 } { 7 } = - \frac { 17 } { 21 }\end{array} \right.$

• A) \(- 5\)
• B) 1
• C)-3
• D) 7
• E) no solution

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