3 x + 9 y = − 7 ∣ s u b t r a c t 3 x f ro m b o t h s i d es 9 y = − 3 x − 7 ∣ d i v i d e b o t h s i d es b y 9 y = − 3 1 x − 9 7
Solve Equationssolve Sqrt[x - 1] + Sqrt[x + 1] == 2solve e^(2x) - 5e^x + 6 = 0 over the realssolve sin(x) + cos(2x) = 0Algebraevaluate x (2x-1) (2-x) at x = 3what is f(x) = (x^2 e^x)/(x-1) when x = -1Find Interceptsx intercepts of 2 x^3 - 5 x^2 + 4 x - 1y intercepts of 5x^4 -10x^2 + 2x - 2Medianmedian {-5,7,3,5,5,12}
To solve the equation 3 x + 9 y = − 7 , we isolate y by subtracting 3 x and then dividing by 9 to get y = − 3 1 x − 9 7 . This equation shows the relationship between x and y .
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Jawab:Biaya perbaikan = 80% x Harga beli = Rp1.650.000 Harga beli = 100/80 x 1.650.000 = Rp2.062.500Harga jual = 2 x harga beli = 2 x 2.062.500 = Rp4.125.000 Keuntungan = harga jual - harga beli - biaya perbaikan= 4.125.000 - 2.062.500 - 1.650.000= Rp412.500Penjelasan dengan langkah-langkah: