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soldier1979 [14.2K]
3 years ago
12

6x + 4y = 6 3x = -15 x = ____ y = ____

Mathematics
1 answer:
Svetach [21]3 years ago
7 0

Answers:

x = -5

y = 9

============================================

Work Shown:

Start by solving the second equation for x.

3x = -15

3x/3 = -15/3 .... divide both sides by 3

x = -5

Then plug this into the first equation and isolate y.

6x + 4y = 6

6(-5) + 4y = 6 .... every x replaced with -5

-30 + 4y = 6

-30+4y+30 = 6+30 .... add 30 to both sides

4y = 36

4y/4 = 36/4 .... divide both sides by 4

y = 9

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undefined

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