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oksian1 [2.3K]
4 years ago
9

Evaluate: 5 - 3 x when x = - 7

Mathematics
2 answers:
Tema [17]4 years ago
5 0

Use the substitution method

5-3x

5-3(-7)

Do the bracket first

-3*-7= 21

5+21= 26

Answer : 26

8_murik_8 [283]4 years ago
4 0

Answer:

5+-21=-16

Step-by-step explanation:

you distribute 3 into -7 nd you get -21 then you add 5 to -21 to get -16

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