3 years ago

How to solve this system of equations ? 3x = y y + 7x = 10

Mathematics

2 answers:

earnstyle [38]3 years ago

7 0

Answer:

x = 10, y = 30

Step-by-step explanation:

Since this already has a y-value, which is 3x, we will use substitution.

3x + 7x = 10

10x = 10

x = 10

Now that we know x, we can figure out what y is.

y = 3(10)

y = 30

postnew [5]3 years ago

5 0

Answer:

x = 1, y = 3

Step-by-step explanation:

easy

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