Math, asked by manu360, 1 year ago

solve 5(0.4 Z minus 3) = 7 (1.5z + 9)

Answers

Answered by Anonymous

17

5(0.4z-3) =7(1.5z+9)
2z-15=10.5z+63
2z - 10.5z = 63 + 15
-8.5z = 78
z = 78/ -8.5
z= -156/17
z= -9.17
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