order of operations
one step equations
two step equations
two variable equations
writing equations
100
(10-5)+(30-20)
What is 15
100
x-15=3
What is x=18
100
5n-3=100
What is n=20.6
100
y=3x if x=100
What is y=300
100
fifteen times a number decreased by ten would result into twenty-five.
What is equation-(15n-5=25) n=2
200
(2^2-2)+(15+5)
What is 22
200
x+10=50
What is x=40
200
10n+10=10
What is n=0
200
y=123x if x=2
What is y=246
200
a number divided by two minus three is equal to seventy.
What is n=146
300
(25+15)-(10+10)
What is 10
300
x-90=5
What is x=95
300
15n+5=50
What is n=3
300
y=2000x if x=10
What is y=20000
300
twice a number plus five results in ten.
What is n=2.5
400
(555-455)-(200-100)
What is 0
400
x+2000=100
What is x=1900
400
15n-25=5
What is n=2
400
y=48x if x=4
What is y=192
400
a number divided by twenty minus two results in fifteen.
What is n=340
500
(65-55)+(3^2-4)
What is 5
500
x-14=10
What is x=24
500
2n+2=4
What is n=1
500
y=246x if x=6
What is y= 1476
500
triple a number plus nine results in ninety
What is n=27
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