Question

Equation A: e = 4f + 1
Equation B: e = 3f + 5
Which of the following is a step that can be used to find the solution to the set of equations?
A. 4f + 1= 3f
B. 4f =3f + 5
C. 4f + 5 = 3f + 1
D. 4f + 1= 3f + 5

Answer 1

@mukushla @Loser66

Answer 2

@uri @vera_ewing

Answer 3

Have you heard of the substitution method?

Answer 4

yes but i dont know how to do it

Answer 5

Ok so it already tells you what e equals right? On both equations ? right?

Answer 6

right

Answer 7

Once we know that we can pick whatever equation we want to sub in lets choose equation 1 into equation 2
So heres how it would look
\(\huge\rm\color{red}{4f + 1}=3f + 5\)

Answer 8

so the answer is d ? @pooja195

Answer 9

yes :)

Answer 10

thank youu so much @pooja195

Answer 11

No problem! :D