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Z is a constant variable in this equation. A constant variable is a variable, the value of which can never change. In this case, z would be equal to 7.
Y. .....2z.....
8z + 3 - 2z < 51 6z + 3 < 51 6z < 48 z < 6 ☺
441
-3y + z = 12
Z is a constant variable in this equation. A constant variable is a variable, the value of which can never change. In this case, z would be equal to 7.
2z
It is a linear equation in the variable z.
Y. .....2z.....
8z + 3 - 2z < 51 6z + 3 < 51 6z < 48 z < 6 ☺
To solve an equation with three unknowns, x, y and z, you require 3 independent equations.
you can not solve this equation
z=.3
Actually, 2x + 3y + z is an expression, because it is a mathematical noun.
z = 20 (6x20) + (5x20) = 20
441
Is called an equation. ie A = Z