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2 votes
Solve each system by elimination.
−5x − 10y = 15
−3x + 10y = 25

2 Answers

5 votes

Answer:

x = -5 and y = 1

Explanation:

use elimination

User Eric Bridger
by
8.1k points
3 votes

Answer:


\boxed{x = -5~~and~~ y =1}

Explanation:

-5x - 10y = 15

-3x + 10y = 25 +

-8x = 40


x = (40)/(-8)

x = -5

.

Substitute the value of x to one of equations

-5(-5) - 10y = 15

25 - 10y = 15

-10y = 15 - 25

-10y = -10


y = (-10)/(-10)

y = 1

User Tramov
by
7.9k points
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