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Serjik [45]
2 years ago
13

Evaluate the expression when x= -5.2 and y = –6.8. 4x-7y

Mathematics
1 answer:
vfiekz [6]2 years ago
7 0

Step-by-step explanation:

Substitute variables with given values

Minus sign becomes plus sign if a negative is multiplied by a negative or a negative is put next to a negative number.

4x-7y=4(-5.2)-7(-6.8)

-20.8+47.6=26.8

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3 years ago
Simplify 4a​ +​ ​ ​8b ​ -​ ​ ​6b​ +​ ​ 2a​
Deffense [45]
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8 0
3 years ago
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6 0
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