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Combining Like Terms
Distributive Property
Vocabulary
100
x + 2 = 12
x = 10
100
2m + 6 = 12
m = 3
100
5k + 2k = 49
k = 7
100
2(x + 1) = 4
x = 1
100
What is the vocabulary word for the unknown value?
Variable.
200
a - 7 = 19
a = 26
200
5x - 9 = 31
x = 8
200
-5x + 6 - 2x = 13
x = -1
200
2( -9 - b) = 6
b = -12
200
What is the vocabulary word for numbers?
Constants.
300
b/4 = 3
b = 12
300
-1 - 2n = 7
n = -4
300
y + 4 + 3y - 2 = 10
y = 2
300
-5( 2v + 4) = -130
v = -11
300
What is the vocabulary word for the addition, subtraction, multiplication, or division symbol?
Operator.
400
3c = 51
c = 17
400
s/3 + 2 = 4
s = 6
400
-9 - 2w + 3w - 20 = 0
w = 29
400
-4( 6 + 7z) = 312
z = -12
400
What is the vocabulary word for the number in front of the variable?
Coefficient.
500
13f = 169
f = 13
500
t/6 - 8 = 17
t = 150
500
-m + 3 - 2m + 4 - 2m + 1 = 28
m = -4
500
3x + 7( -x + 7) = 73
x = -6
500
What is the vocabulary word for each piece of an equation?
Term.