$$\left. \begin{array} { l } { \quad x - \frac { 3 } { 4 } = \frac { 1 } { 2 } } \\ { \quad 7. ( x + 10 ) ^ { 2 } = 36 } \end{array} \right.$$
$y=7$
$$x=\frac{1}{2}+\frac{3}{4}$$
$$x=\frac{5}{4}$$
$$x=\frac{5}{4}$$ $$y=7$$
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