2 years ago

−10x+3y=5 ASAP x=y−4 x ? y?

Mathematics

1 answer:

nexus9112 [7]2 years ago

3 0

Answer:

x = 1 and y = 5

Step-by-step explanation:

Use substitution because you know that x = y - 4, and plug this into the first equation to get -10(y - 4) + 3y = 5, or -10y + 40 + 3y = 5. This is -7y = -35 so y = 5. Plug this into the 2nd equation to get that x = 1 and y = 5.

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