हल करना (0.4y - 3)/(1 * 5y + 9) = - 7/5 | Equatix - Math Solver

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3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$\frac{(0.4y-3)}{(1\cdot5y+9)}=-\frac{7}{5}$$