equations
Solve for x:
x + 5 = 8
x = 3
Determine whether it is a variable, expression, or equation:
3x
expression
15 x 7 =
105
6x = 12
x = 2
Determine whether it is a variable, expression, or equation:
10b = 100
equation
20 x 10 =
200
Solve for x:
321 - x = 57
x = 264
Determine whether it is a variable, expression, or equation:
y
variable
305 x 7 =
2,135
Solve for x:
(4x) + 2 = 22
x = 5
Determine whether it is a variable, expression, or equation:
7x = 21
equation
671 x 9
6,039
Solve for x:
10x - 15 = 55
x = 7
Determine whether it is a variable, expression, or equation:
8b
15 x 200
3,000