Jan 25, 2019 · Answer is 1. Take each equal expression to be equal to k, and then take log on all expressions. You have x and y ...

Nov 26, 2018 · Basically , such equations represent straight lines on a 2 dimensional plane ( here it is the xy plane as z = 0 in this case ) . And it is ...

Nov 16, 2015 · Answer: 3 Given 3x+4y=12, so 4y = 12–3x, y= (12–3x)/4, substituting this for y in xy gives: f(x) = xy = x(12–3x)/4= (12x-3x²)/4 is a ...

Dec 12, 2020 · 3^x cannot be equal to 4^y for any nonzero integral values for x and y since 3^x is odd whereas 4^y is even. This is true when x=y=z=0 => (x+y)z ...

May 22, 2020 · This equation contain 2 variable (x,y) so you need 2 equations to find their values, or you can just put any value of a variable let's say (x) ...

Oct 31, 2022 · X, Y=51/15, 24/15 (mixed decimal fraction: 3.4, 1.6) and Z=5. PREMISES. x-4y=-3 and 4x-y=12 (Solve for x, y then evaluate the value of x+y).

Jan 14, 2024 · Solve for y: Divide both sides of the equation by 4 to isolate y. (4y)/4 = (-12)/4Simplifying the equation gives: y = -3. Therefore, the ...

Apr 6, 2024 · It seeks an expression for the product of the 3 variables. To demonstrate the solution method, assume the last term in the second equation is z/ ...

Apr 19, 2017 · So, the answer is x=9. Thank you.

Nov 19, 2016 · What is the value of 8^x/2^y if 3^x-y=12? ... https://math.berkeley.edu ... In the first case you get (a, b, c) = (6, 4, 2) and (x,y,z)=(3,4,5).