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Solve the System of Equations by the Substitution Method {x53y=473x+y=23\left\{ \begin{array} { r } x - \frac { 5 } { 3 } y = - 4 \\- \frac { 7 } { 3 } x + y = \frac { 2 } { 3 }\end{array} \right.

question 90

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Solve the system of equations by the substitution method.
- {x53y=473x+y=23\left\{ \begin{array} { r } x - \frac { 5 } { 3 } y = - 4 \\- \frac { 7 } { 3 } x + y = \frac { 2 } { 3 }\end{array} \right.


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