Question

Solve only question no. 4
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Answer 1

Answer:

a)-3(4y-2)=4(-3y)=3(y+2)

= -12y+6-12y=3y+6

-24y+6=3y+6

27y=0

y=0

b)-5(2y)+5(-5y+1)=3y-71

=-10y-25y+5=3y-71

-35y+5=3y-71

-35y-3y=-71-5

-38y=-76

y=-76/-38

y=2

c)-3(5z-5)-3(-4z-3)=-4(z-5)

=-15z+15+12z+9=-4z+20

-3z+24=-4z+20

-3z+4z=20-24

z=-4

d)-3(-2x-3)-3(-5x+1)=-3(x+38)

=6x=9+15x-3=-3x-114

21x+6=-3x-114

21x+3x=-114-6

24x=-120

x=-120/24

x=-5

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