3 years ago

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:

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