xaniawashington
13.03.2020 •
Mathematics
How do I solve 1/2(x+4-21x-5)=46
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Ответ:
x=-91/1840
Step-by-step explanation:
Firstly deal with the bracket
2(x+4-21x-5)
2(x-21x+4-5)
2(-20x-1)
-40x-2
Back to the question
1/-40x-2=46
Cross multiply
46(-40x-2)=1
-1840x-92=1
Add 92 to both sides
-1840x=91
Divide both sides by-1840
x=-91/1840
Ответ:
That would be the right answer.