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Snezhnost [94]
4 years ago
6

Evaluate 2x+9 when x=3

Geography
1 answer:
inysia [295]4 years ago
6 0

Answer:

2x+9 when x equals 3 is 2*3+9

=15

Explanation:

2\cdot \:3+9\\Follow\:the\:PEMDAS\:order\:of\:operations\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:2\cdot \:3\::\quad 6\\2\cdot \:3\\2\cdot \:3=6\\=6+9\\\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:6+9\::\quad 15\\6+9\\6+9=15\\=15

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