Given: $~\displaystyle \int_{2}^{7}s(x)\,dx=4~~~$ and $~~~\displaystyle \int_{2}^{7}t(x)\,dx=-1\,$.
$\displaystyle \int_{2}^{7}\big(5t(x)-s(x)\big)\,dx\, =$ [[☃ math-keypad 1]]
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