solve the equation for the following
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firstly do cross multiplication
= (0.4z - 3)5 = (1.5z + 9)7
= 2z - 15 = 10.5z + 63
= 10.5z - 2z = -15 -63
= 8.5z = -78
= z = 9.176...
= (0.4z - 3)5 = (1.5z + 9)7
= 2z - 15 = 10.5z + 63
= 10.5z - 2z = -15 -63
= 8.5z = -78
= z = 9.176...
satyarth5:
but ans is -9.18
yes its approximate answer buddy
sorry i just didn't mentioned minus symbol at the last
can u mark me as brainliest plz
is that clear to u
hmm
will u reply me soon
i have other works toooo
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