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ddd [48]
3 years ago
13

Please help me I’ll give you brainless it’s due in 20 minutes

Mathematics
1 answer:
ankoles [38]3 years ago
7 0

Answer:

*In Explanation

Step-by-step explanation:

<u>1) Start by just substituting the value of x (given in equation 1) into the second equation:</u>

y = 3x - 1

y = 3(2) - 1

y = 6-1 = 5

<u>2) Since both equations have x on one side, make both equations equal to one another:</u>

2y + 4 = 9 - 3y

<u>Solve for y:</u>

5y = 5

y = 1

<u>Plug y = 1 into either one of the given equations and solve for x:</u>

I'll use first equation:

x = 2y + 4

x = 2(1) + 4

x = 6

<u>3) When substituting X into the second equation, remember to use parenthesis:</u>

The student was substituting x from equation 1 into equation 2, but they forgot to multiply ALL of 2y + 3 by 2.

x = 2y + 3

Substitute into 2nd eqn:

y = 2(2y + 3) - 9

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