, instead of 
, presented in step 4) of our demonstration. The real solution is 9.
by algebraic means. That is:
Given![(-4)\cdot [6+(-r)] = 12](/tpl/images/1044/8646/c5582.png)
Definition of substraction
Distributive property
 
/
![4\cdot r +[24+(-24)] = 12 +24](/tpl/images/1044/8646/52469.png)
Compatibility with addition/Commutative and associative properties
Existence of additive inverse/Modulative property
Compatibility with multiplication/Commutative and associative properties
Existence of multiplicative inverse/Definition of division/Result
Can someone please help me
...
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 14:00
You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣
Answers: 2
Mathematics, 21.06.2019 20:30
Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170
Answers: 1
Mathematics, 21.06.2019 22:00
Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4
Answers: 2
You know the right answer?
Questions
Mathematics, 09.09.2019 18:30
History, 09.09.2019 18:30
Computers and Technology, 09.09.2019 18:30
English, 09.09.2019 18:30
Computers and Technology, 09.09.2019 18:30
