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Nookie1986 [14]
3 years ago
6

I need help answering

Mathematics
1 answer:
jekas [21]3 years ago
6 0

Put the values of the variables in place of the variables in the expression, then do the arithmetic.

8p+3q-18\\\\=8\left(\dfrac{1}{2}\right)+3(7)-18=\dfrac{8}{2}+21-18\\\\=4+21-18\\\\=25-18\\\\=\bf{7}

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