Answer:
2
Step-by-step explanation:
my soulstinos were Solution 1)
3
n
+
7
=
−
1
0
8
Solution 2)
6
The solution is:
and
just one: 7 you isolate the numbers by doing -3n + 4n = 7, and u get n = 7
Given:
a + b = 9
=> a = 9 - b
a x b = 18
=> (9 - b) x b = 18
=> 9b - b^2 = 18
=> b^2 - 9b + 18 = 0
=> (b - 3)(b - 6) = 0
=> b = 3 => a = 6
=> b = 6 => a = 3
Hope this helps
:)
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