Question

5x+3y-4z, when x=4,y=5 and Z=5​

Answer 1

Given: The equation is$5x+3y-4z$ and$x=4,y=5, and Z=5$.

We have to find the value of the above equation.

We are solving in the following way:

We have,

The equation is$5x+3y-4z$ and$x=4,y=5, and Z=5$

By putting the given values of x, y, and z i.e.$x=4,y=5, and Z=5$, we are finding the value of the equation.

Now,

$5x+3y-4z$

Solving the above equation further we get,

$\Rightarrow 5\times4+3\times5-4\times5\\\Rightarrow 20+15-20\\\Rightarrow15$

Hence, the value of the equation will be$15$.

Answer 2

• As per the data given in the question, we have to find the value of the expression.

       Given data:- $x=4,y=5,z=5.$

       To find:- Value of given expression $5x+3y-4z.$

       Solution:-

• To solve the above equation we will follow the BODMAS rule.

• It is the rule used to remember the order of operations to be followed while solving expressions in mathematics.

        where,

       B= bracket

       O= order of power or rules

       D= division

       M= multiplication

      A= addition

      S= subtraction

      $5x+3y-4z\\=5(4)+3(5)-4(5)\\=20+15-20\\=35-20\\=15.$

     Hence we will get the value $15.$