Question

18 Points! K12 Student struggling with deadline!

Which is the 1st step in solving this set of linear equations by the Substitution Method?
y = x + 4 x = 8
A-You can start with either one of these other choices

B-Substitute the 8 in for the x in the 1st equation

C-Substitute the x + 4 into the 2nd equation

Answer 1

B.

Explanation:

The easiest way is to substitute 8 for x in the first equation,