What are addition, subtraction, multiplication, and division?
300
2r + 39 = 65
What is 13 ?
300
6k - 5 = 43
What is 8 ?
300
k/8 + 21 = 97
What is 608 ?
300
z/6 - 14 = 3
What is 102 ?
400
A number right in front of a variable
What is a coefficient?
400
12s + 27 = 171
What is 12 ?
400
4j - 71 = 29
What is 25 ?
400
g/11 + 37 = 128
What is 1188 ?
400
y/9 - 18 = 52
What is 630 ?
500
What is the first step in a two step equation?
You start by undoing addition or subtraction by applying the inverse operation to move the integers all on one side of the equals sign, away from the variable.