2 years ago

Solve the system of equations 4x+5y=-1 and -5x-8y=10 by combining the equations.

Mathematics

1 answer:

Nimfa-mama [501]2 years ago

6 0

The solution of the equation are as follows:

x = 6 and y = -5

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<h3>How to solve the system of equation?</h3>

4x + 5y = -1

-5x - 8y = 10

Therefore,

20x + 25y = -5

-20x - 32y = 40

-7y = 35

y = -5

Hence,

4x + 5(-5) = -1

4x - 25 = -1

4x = -1 + 25

4x = 24

x = 24 / 4

x = 6

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