Answer:
Z = 4.5
Step-by-step explanation:
4z - 9 = 2z
4z -4z -9 = 2z -4z
-9 = -2z
-9 ÷2 = 2z ÷2
Z = 4.5
Answer:
Solving Two-Step Equations
1) First, add or subtract both sides of the linear equation by the same number.
2) Secondly, multiply or divide both sides of the linear equation by the same number.
3)* Instead of step #2, always multiply both sides of the equation by the reciprocal of the coefficient of the variable
:
n=5
Create equivalent expression in the equation that all have equal bases, then solve n
The first quartile of the data set is 28 because it is the median of the lower set.
Answer:
hello
Step-by-step explanation: