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irina1246 [14]
2 years ago
9

Find the solution of the system of equations. 2x+5y=-11 -8x-5y= -1

Mathematics
2 answers:
Akimi4 [234]2 years ago
4 0

Answer:

x = 2

y = -3

Step-by-step explanation:

viktelen [127]2 years ago
4 0

Answer:

x = 2 , y = -3

Step-by-step explanation:

by elimination method

+5y in equation 1 cancel -5y in equation 2

2x - 8x = -11 - 1

-6x = -12

divide both sides by - 6

- 6x/ -6 = -12/-6

x = 2

substitute x = 2 into equation ii

- 8 (2) - 5y = - 1

- 16 - 5y = - 1

collect like terms

- 5y = -1 + 16

- 5y = 15

divide both sides by -5y

-5y/-5y = 15/-5y

y = - 3

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