(b) Solve the following equation:
x/2+2y/3=-1 , 2x - y = 29
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Answer: x = 10 and y = 6
Step-by-step explanation: multiplying the equation x/2 +2y/3 =-1 by 6 we get
3x + 4y = -6 and multiplying the second equation 2x - y = 29 by 4 we get
8x - 4y = 116
adding these two we get
11x = 110 which gives us
x = 10
substituting x = 10 in 3x + 4y = -6 we get
30 + 4y = -6
4y = 24
y = 6
Therefore x = 10 and y= 6
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