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5x + 2y = 8 x + y = 4 If you want to solve the system of equations by addition, which of the following could you do?
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3 votes
5x + 2y = 8

x + y = 4
If you want to solve the system of equations by addition, which of the following could you do?

User Mone
by
7.1k points

2 Answers

4 votes

Answer:

ita a

Explanation:

User Shant Dashjian
by
7.3k points
3 votes
Multiply the equation x+y =4 by -5
The resultant would be-
-5x -5y = -20
Adding this with 5x +2y =8
Then, the resulting would be,
-3y = -12
∴ y=4
and x=4-4 =0
User Yogesh Waghmare
by
7.7k points
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