Vocabulary
A letter used to represent an unknown number
What is a variable?
Solve:
4x + 3 = 11
What is x = 2?
Solve:
8g - 12 = 60
What is g = 9?
Solve:
q/4 + 3 = 7
What is q = 16?
Solve:
c/2 - 1 = 4
What is c = 10?
A number without a variable
What is a constant?
Solve:
5h + 6 = 31
What is h = 5?
Solve:
7r − 5 = 30
What is r = 5?
Solve:
u/5 + 6 = 10
What is u = 20?
Solve:
f/8 - 3 =2
What is f = 40?
A number right in front of a variable
What is a coefficient?
Solve:
−3y + 8 = 2
What is y = 2?
Solve
−2p − 6 = 10
What is p =-8?
Solve:
j/-3 + 2 = -4
What is j = 18?
Solve:
k/-4 - 5 = -9
What is k =16
Opposite operations used to solve equations
What are inverse operations?
Solve:
2.3d + 1.6 = –5.3
What is d = -3?
Solve:
4y – 3.7 = 9.1
What is y = 3.2?
m/2 + 8.3 = 1.9
What is m = -12.8?
Solve:
t/2 - 0.5 = 4.8
What is t = 10.6?
Whatever you do to one side, you do to the other side
Solve:
2/3b + 5 = 11
What is b = 6?
Solve:
5/2a − 3 = 7
What is a = 4?
Solve:
e/6 + 1/2 = 3
What is e = 15?
Solve:
n/7 - 2/7 = 3
What is n = 23?