If four times a number plus 3 is 11, what is the number
2 answers:
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Answer:
Step-by-step explanation:
+6x-5=0
we divide the coefficient of the X by half :
in this case: 6/2 = 3 , then we do the following
The result obtained is raised to square power: 3^2=9
we sum and subtract by 9 to maintain the balance of the equation:
+6x+9-9-5=0
we have:
-9-5=0
= 14
lets apply square root on both sides of the equation:
we know:
so we have:
abs(x+3)=
from where two solutions are obtained
finally we have:
Answer:
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Step-by-step explanation:
750,000,000 times 10^5 can be expressed as 7.5 times
7.55 times 10^13 is greater than 7.5 times 10^11.