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harkovskaia [24]
2 years ago
11

Decide whether it would be more convenient to solve the system of equations by substitution or elimination.

Mathematics
1 answer:
mixer [17]2 years ago
4 0

Answer:

I would use elimination in this scenario. Because in both equations there is a coefficient on both variables, it would be difficult to isolate one variable and would leave the equation as a fraction. Instead, use elimination. Multiply the first equation by -15, which changes it to 10x + 225y = -90, and then subtract the second equation, thus cancelling out the 10x's and letting you solve for Y. Hope this helps!

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