Definitions
4n + 5 = 17
n=3
x-4=7
x=11
2y+5=9
y=2
Order of operations. Solve:
5 + 4 x 2
13
7a-23=12
a=5
t - 6 =14
t=8
n/6 - 1 = 3
n=24
Am summer job as an assistant counselor pays $6.50 per hour. How much does the counselor get for working 8 hours?
They get $52.00 for working 8 hours.
What are opposite operations?
Operations that undo each other.
b/15+6=11
b=3
x + 5 = 12
x=7
p/3+8=20
p=36
What does x equal? x/4=32
x=128
x - 7 = 3
x=10
6x +7 = 37
x= 5
5x -6 = 49
x=11
What is a variable?
w - 17 = 13
w = 30
3s+24=90
s = 22
Lexie earns $5 a hour babysitting and she worked 4 hours. Write an equation that could determine how much she earned.
$20