jnoss44
01.07.2019 •
Mathematics
What is the answer to -1+5x-9(-2+5x)
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Ответ:
-1+5-9(-2+5x)
-1+5x+18-45x
-40x+17
x=17/40
Ответ:
-46+x=25
add 46 to both sides (you do the inverse!)
x=71