10.0k views
5 votes
Solve each by elimination
x+y =19
x - y = -7

User Barsham
by
8.3k points

2 Answers

1 vote

Answer:

x = 6

y = 13

Explanation:

x + y = 19

x - y = -7

To eliminate x, subtract ther second equation from the first

2y = 26

y = 13

To eliminate y, add the equations

2x = 12

x = 6

User Buckbova
by
8.1k points
4 votes
x + y = 19
x - y = -7
Subtract both
2y = 26, y = 13
Plug into first equation
x + 13 = 19
x = 6

Solution: x = 6, y = 13
User Rino Farina
by
9.4k points

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