Question

Consider the following set of equations:

Equation M: y = x + 4
Equation P: y = 3x + 6

Which of the following is a step that can be used to find the solution to the set of equations?

A. x = 3x +6
B. x + 4 = 3x + 6
C. x + 6 = 3x + 4
D. x = 3x

Answer 1

Hi
Welcome To Openstudy ^.^
So basically we are given 2 equations using the substitution method we can plug equation 1 into equation 2 or revers doesn't really matter what do we get once we put equation 1 into equation 2?
y = x + 4
y = 3x + 6

Answer 2

3x and x ?

Answer 3

Now take the first equation
x+4
and replace the 2nd equation with x+4 instead of y what do we get?

Answer 4

x+4=3x + 6 ?

Answer 5

Well done =)

Answer 6

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