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olga_2 [115]
3 years ago
11

Evaluate∣2x+7∣ for x=-4

Mathematics
1 answer:
yanalaym [24]3 years ago
5 0

∣2x+7∣ for x=-4

Use the substitution method

∣2*-4+7∣

Mutiply first then add +7

∣2*-4∣= -8

∣-8+7∣= -1

Whenever there is a negative number for absolute value , the number becomes a + positive number.

∣-1∣= 1

Answer:

1

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