One-step equation (+ and -)
x + 5 = 21
x = 16
2m = 4
m = 2
y + 6 = 8
y = 2
x /4 - 3 = 2
x = 20
Parenthesis, exponents, multiplication/division, addition/subtraction
x - 9 = 11
x = 20
a / 7 = 11
a = 77
3x + 5 = 20
x = 5
-5m - 2 = 18
m = -4
What is the vocabulary word for x in the equation 7x+5=26
Variable
13 = t - 5
t = 18
x /-3 = -6
x = 18
4 + 9x = 31
x = 3
8x + 22 = 38
x = 2
What is the inverse operation of Division?
Multiplication.
-7 + x = 5
x = 12
3w = -27
w = -9
7 - 3n = 4
n = 1
x/7+17 = 73
x = 8
What would you do first when solving: 5a+6=21.
Subtract 6 from both sides
- 1 + w = -6
w = -5
-3x = -12
x = 4
-2m - 6 = 26
m = -16
16 + x / 9 = 20
x = 36
What operation does a fraction bar represent?
Division