crodriguez87
28.07.2019 •
Mathematics
If n = -4 and m = 5 find the value of 2n+3m
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Ответ:
If
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and
Problem becomes:
And that equals ↑
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Ответ:
x=7
Step-by-step explanation:
We have : 7 + 5(x-3)=27
5(x-3)=27 - 7
5(x-3)=20
x-3=20:5
x-3=4
x=4+3
x=7