Question

A set of equations is given below:

Equation A: y = x + 1
Equation B: y = 4x + 5

Which of the following steps can be used to find the solution to the set of equations?
x + 1 = 4x + 5 x = 4x + 5 x + 1 = 4x x + 5 = 4x + 1

Answer 1

@asdfghjkl24562

Answer 2

here we can apply the elimination method, so we can write:
\[\Large \begin{gathered}
x + 1 = y = 4x + 5 \hfill \\
\hfill \\
x + 1 = 4x + 5 \hfill \\
\end{gathered} \]

Answer 3

I still don't don't get it I mean I know I got to subtract from both sides

Answer 4

no, please, we have these two equations:
\[\Large\begin{gathered}
y = 4x + 5 \hfill \\
y = x + 1 \hfill \\
\end{gathered} \]

Answer 5

now the left sides are equal each other

Answer 6

okay

Answer 7

then also the right sides have to be equal each other

Answer 8

so we can write:
\[\Large x + 1 = 4x + 5\]

Answer 9

can you help me with 2 more test there only 5 questions each and ill give you meadls

Answer 10

another reasoning is:
\[x + 1 = y\]
and
\[y = 4x + 5\]
then if we apply the transitive property of equality, we get:
\[x + 1 = 4x + 5\]

Answer 11

ok!

Answer 12

I can help you!