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Salsk061 [2.6K]
3 years ago
14

How many solutions does the following system of equations have?

Mathematics
2 answers:
MrMuchimi3 years ago
6 0
A if you divided second by 2 is no solution
Neporo4naja [7]3 years ago
4 0
Solve the second equation for y. To do this, divide both sides by 2

2y = 5y+8
2y/2 = (5y+8)/2
y = (5y)/2 + 8/2
y = (5/2)y + 4

The slope of this equation is identical to the slope of the first equation. Both slopes are 5/2

However the y intercepts are different. This means we have parallel lines that never cross so there are no solutions. The system is inconsistent.
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Answer:

x = - 5

Step-by-step explanation:

Given

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3x + 7 = - 8 ( subtract 7 from both sides )

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