You can
put this solution on YOUR website!i have 3 questions.
Just write what it says:
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1) 7 times (*) the difference (-) between d and 11
7*(d - 11)
or just: 7(d-11)
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2) The number s divided(/) by the sum(+) of t and u

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3) the number r added(+) to the product(*) of a and c
r + (a*c)
or just: ac + r
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