Math, asked by pandeyadarsh2110, 9 months ago

0.42-3 7
1.5z +9 5
||

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Answered by subramani271969

0

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Hope this will help you

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Answered by naveenauday

0

5(0.4z-3)=7(1.5z+9) by cross multiplication
2z-15=10.5z+63

2z-10.5z=63+15
-8.5z=78

Z=78/-8.5
Z= -9.1764

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