One-Step equations (+)
a + 3 = 8
x=5
a - 5 = 4
a=9
5a = 25
a=5
a/9 = 9
a=81
b + 53 = 74
b=21
x + 8 = 12
x=4
a - 10 = 13
a=23
25n = 100
n=4
a/7 = 5
a=35
z - 74 = 23
z=97
a + 9.4= 16.6
a=7.2
a - 11.5 = 30
a=41.5
5g = 15
g=3
a/10 = 40
a=400
72/a = 12
a=6
x + 1/2 = 3/4
a=1/4
9/5=r-1/5
a = 10/5 = 2
12y = 144
y=12
a/1.5 = 18
a=27
15x=120
x=8
a + 98 = 86
a=-12
a - 19.2 = 55.6
a=74.8
6=1/3z
z=18
b/(1/4)=4/3
b=3
What is the letter in an expression called?
What is a variable?