Solving With Substitution (For 10 Points!!): x + 2y = 6 3x- 4y = 28

asked Mar 15, 2020 198k views

1 vote

Solving With Substitution (For 10 Points!!):
x + 2y = 6
3x- 4y = 28

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3 votes

Your answer will be approximately 8 for the first one and -1 for the second

Ivon answered Mar 17, 2020

by Ivon

6.6k points

2 votes

Answer:

$x + 2y = 6 \\ 3x - 4y = 28 \\ \\ x = 6 - 2y \\ \\ 3(6 - 2y) - 4y = 28 \\ 18 - 6y - 4y = 28 \\ - 10y = 10 \\ y = - 1 \\ \\ x = 6 - 2( - 1) \\ x = 8$

Answer:(8; -1)

Aprill answered Mar 21, 2020

6.4k points

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