How do you solve the system of linear equations #5x - 4y = 7, 2y + 6x = 22#?
1 Answer
Dec 5, 2016
Explanation:
From the second equation, we can determine a value for
Multiply all terms by
Subtract
In the first equation, replace
Open the brackets and simplify. The product of two negatives i a positive.
Add
Divide both sides by
In the second equation, substitute
Subtract
Divide both sides by