Answer:
You can use Gaussian Elimination.
Double both sides of the first equation and add the second equation.
6x + 4y = 8
5x - 4y = 3
---------------
11x = 11
x = 1
5 - 4y = 3
-4y = -2
y = 1/2
Step-by-step explanation:
For the last 2 questions,
1. 9/10
2. 7/12
5/8 trust me because when you divide 5 by 8 you get a number that is equal to 5/8
Answer:
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Step-by-step explanation:
the answer is easy nobody cares :)