Evaluating expressions

What is the value of x + y if x = 3 and y = 5?

Mathematical Equivalence

ON

h ÷ 0.07 = ?
h = 4.9

Mathematical Equivalence

ON

Evaluate the expression.   Let g = 3    h = 9 
4h + 2g + 4

Mathematical Equivalence

ON

4y – 5
y = 6

Mathematical Equivalence

ON

r(r – 9)
r = 11

Mathematical Equivalence

ON

5(v + 1)
v = 4

Mathematical Equivalence

ON

3u + 12
u = 7

Mathematical Equivalence

ON

2q + 3
q = 5 

Mathematical Equivalence

ON

Evaluate 8a - b     if a = 10   and   b = 6

Mathematical Equivalence

ON

Evaluate 2a + 4b 
if a = 10     and    b = 6

Mathematical Equivalence

ON