One-step equations 1
26 = 8 +v
18
15 + b =23
8
3x + 9 = 27
6
10 - 5m = 45
-7
What is the inverse operation of addition?
Subtraction
m - 9 =-13
-4
-15 + n = -9
6
-61 = 7y - 26
-5
4y - 9 = 15
y = 6
What is the inverse operation of subtraction?
Addition
-17x = -204
12
-143 = -11x
176
3.2x + 2.6 = -23
x = -8
(y/12) - 5 = 11
192
What is the inverse operation of mutliplication?
Division
-126 = 14k
-9
-5 = a/18
-90
-6 = (n/2) -10
8
(m/9) - 1 = -2
-9
-6 = b/18
-108
v/8 = 2
16
(n+5)/-16 = -1
-1
(v+9)/3 = 8
15
How do you get rid of a fraction?
You multiply by the reciprocal