0.4z-3 / 1.5z+9=7/5
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Answered by
1
Answer:
Step-by-step explanation:
0.4z-3/1.5z+9=-7/5
=5(0.4z-3)=7(1.5z+9)
=2z-15=10.5z+63
=2z-10.5z=63+15
=-8.5z=78
z=78/-8.5z
plz can u mark this ans as brainiest ans
Answered by
1
Answer:
0.4z-3/1.5z+9=-7/5
=5(0.4z-3)=7(1.5z+9)
=2z-15=10.5z+63
=2z-10.5z=63+15
=-8.5z=78
z=78/-8.5z
Step-by-step explanation:
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