Evaluate the expressions
Evaluate the expression when x = 4
3x + 2 = ?
14
Six times a number plus 2
6n +2
n + 25 = 36
n = 11
3x = 12
x = 4
Steven scored a few goals over two games. In the second game he scored 2. He scored 3 overall. How much did he score in the first game?
x + 2 = 3
x=1
Evaluate the expression when x = -3
-1x - 1 = ?
2
Twelve divided by a number plus 4
12/n + 4
16 - n = 4
n = 12
x/8 = 8
x = 64
Carl bought 5 boxes of cookies. He has 100 cookies overall. How many cookies are in each box?
5x = 100
x = 20
Evaluate the expression when x = -8
5x + (-5)
-45
Sixteen less than a number, times 2
(n-16) x 2
12 - n - 2 = 8
n = 2
(4x) รท 2 = 24
x = 12
Dylan went to the county fair. He paid 10$ to enter and a bit of money for each ride he went on. He spent 32$ and went on 11 rides. How much did each ride cost?
11x + 10 = 32
x = 2
Evaluate the expression when x = 3
-3x + 2x = ?
-3
5 more than a number times 3
3n +5
-12 + n = -24
n = -12
(x/9) x 4 = 32
x = 72
Betty practiced her violin a lot this week. She practiced each day for 21 minutes. How much did she practice the entire week?
x / 7 = 21
x = 147
Evaluate the expression when x = 15
4x - (-2)x = ?
90
Fourty two times a number, minus, twenty eight divided by a number
(42n) - (28/n)
-72 + 2n = -12
n = 30
3x + 2x = 25
x = 5
Cara earned a total of 138$ from work today. She worked 10 hours plus her tips of 18$. How much did she make each hour?
10x + 18 = 138
x = 12