Question 557087
you are given that:
x = 2
y = 3
z = 4
first equation is:
x + 5 = ?????
substitute 2 for x to get:
2 + 5 = 7
second equation is:
y + 3 = ?????
substitute 3 for y to get:
3 + 3 = 6
third equation is:
z + 2 = ?????
substitute 4 for z to get:
4 + 2 = 6
all you're doing is substituting the value of the variable for the variable in the equation and then solving the equation.