If 2x + 5y = -1 and 3x - 2y = 27, then what is the value of x?
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is there a value for x or y
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Answer:
x=7
Step-by-step explanation:
If 2x + 5y = -1 and 3x - 2y = 27
2x+5y=-1
x=(-1-5y/2)------------eq.1
3x - 2y = 27
x=(27+2y/3)---------eq.2
equating EQ.1 and EQ.2
(-1-5y/2)=27+2y/3
-1-5y=2*(27+2y)/3
-1-5y=54+4y/3
3(-1-5y)=54+4
-3-15y=54+4y
-3-54=4y+15y
-57=19y
y=(-57/19y)
y=-3
solving for x..
take say EQ.1 as x=EQ.1
x=(-1-5y/2)
y=(-3)
x=(-1-5*(-3)/2)
x=(-1+15/2)
x=14/2
x=7,y=(-3)
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