3 years ago

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

Mathematics

1 answer:

alisha [4.7K]3 years ago

7 0

Answer:

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

Step-by-step explanation:

Given equations:

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

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

eq2 can also be written as:

y = 5x - 4 ----------- eq3

By substituting value of y from eq 3 into eq1, the resulting equation will be:

3x + 5x - 4 = 1

i hope it will help you!

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