Write the Expression
Write an expression for 7 more than a number x
x+7
Evaluate 3x when x=4.
3(4)=12
simplify 3x+2x
5x
Write an expression for 4 times a number n
4n
Evaluate 2a+5 when a=6.
2(6)+5=17
Simplify 7a−3a+4
4a+4
A number y is divided by 5, then 3 is added. Write an expression
y/5 + 3
Evaluate 5m−8 when m=7
5(7)−8=27
Simplify 2x+5+4x+3
6x+8
You buy 3 shirts for x dollars each and pay a $10 delivery fee. Write an expression for the total cost.
3x+10
Evaluate 3x+2y when x=4 and y=5
3(4)+2(5)=22
Expand and simplify 3(x+4)
3(4)+2(5)=22
Half of a number k is decreased by 9. Write an expression.
k/2 - 9
Evaluate 2(a+3)−4 when a=8
2(8+3)−4=18