Question

d) -y + [ 5.x - {2y - (3x - 5y)}] (x = 3, y=-2)
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Answer 1

Answer:

40

Step-by-step explanation:

-y + [5x- {2y-(3x-5y)}]

Putting the value of x=3 and y=-2

-(-2)+[5×3- {2×(-2)-(3×3-5×(-2))}

2+[5×3- {2×(-2)-(9+10)}]

2+{5×3-(-4-19)}

2+{15-(-23)}

2+(15+23)

2+38

40