3 years ago

For the following system, use the second equation to make a substitution for y in the first equation.

Mathematics

1 answer:

VARVARA [1.3K]3 years ago

5 0

Answer:

Option A: 3x + 5x - 4 = 1

Step-by-step explanation:

Given that:

3x + y = 1 ------------- eq1

y + 4 = 5x ------------ eq2

Now for substitution in eq1 we will get a value of y from eq2:

y = 5x - 4

Substituting in eq1 we get:

3x + 5x - 4 = 1

i hope it will help you!

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