Solve by Substitution z=3 , x=3-5z

Problem

z=3,x=3−5*z

Solution

1. Identify the given values and the equation to be solved. We are given z=3 and the linear equation x=3−5*z

2. Substitute the value of z into the equation for x Replace the variable z with the number 3

x=3−5*(3)

3. Multiply the constants within the expression.

x=3−15

4. Subtract the values to find the final result for x

x=−12

Final Answer

x=−12

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