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X - 4y = -8 3x + 8y = 12
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X - 4y = -8
3x + 8y = 12

User Mathieu Schmitt
by
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2 Answers

4 votes

Answer:

see photo

Explanation:

Arrange your terms

substitute

solve for y

solve for x

X - 4y = -8 3x + 8y = 12-example-1
User Thahgr
by
3.0k points
1 vote

Answer: y = 1.8

x = -0.8

Step-by-step explanation:

From equation 1, x = -8 + 4y

Substitute this in equation 2,

3 (-8 + 4y) + 8y = 12

-24 + 12y + 8y = 12

20 y = 12+ 24

20 y = 36

y = 36/20

y = 1.8

Substitute value of y in any equation: x = -0.8

User Mladen Mitrovic
by
3.1k points
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