if (0.4z-3)= -75. find the value of
z (1.5z+9)
Answers
Answered by
5
0.4z-3 = -75
0.4z = -75+3
0.4z = -72
z = -72/4/10 = -72x10/4 = -720/4 = -180....
z(1.5z+9)=
-180(1.5x -180+9)= -180(-270+9) = -180(-261) = 46980.......
Answered by
2
Step-by-step explanation:
0.4z-3=-75
0.4z=-75+3
0.4z=-72
z(1.5z)=
-180(1.5x-180+9)=-180(-270+9)=
-180(-126)
=46980
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