3 years ago

What is the solution to the system of equations?

2 answers:

6 0

Substitution would be a great approach to solving this system, because the first equation defines y as x - 10 and you can thus substitute x - 10 for y in the second equation:

2x + (x - 10) = 4

Then 3x - 10 = 4, and 3x = 14. Solving for x: x = 14/3.

Since y = x-10, subst. 14/3 for x to find y: y = 14/3 - 30/3 = -16/3

The solution is (14/3, -16/3).

AnnZ [28]3 years ago

4 0

Answer: (6, -8)

Step-by-step explanation:

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