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Simplify. 5.6x- 47x
0.9x
17+x=35
x=18
19(a + 4)=27 , It is ______.
A. expression
B. equation
C. math symbol
B
22-n=6
n=16
4x + 26 =54
x=7
27 + 3b , It is ______.
A. expression
B. equation
C. math symbol
A
x➗23=8
x=184
5.5x−3.5x=15
x=7.5
2(3x-4) =10
x=3
The area of a triangle is 45cm2. If the base is 15cm. What is the height?
If the height is x cm
15x ➗ 2 = 45
x = 6
The height is 6cm.
6b - 72>16 , It is ______.
A. expression
B. equation
C. None
C
12k=132
k=11
84−4g=6
g=19.5
3z+z -3.5✖6 =
z=39
Amy has 5 boxes of bananas. Each box has the same number of bananas. After Amy eats 2 bananas, there are 203 bananas left in the boxes. How many bananas were in each box?
x - # of bananas in each box
5x - 2 = 203
x = 41
There were 41 apples in each box.
87-78=9 , It is ______.
A. expression
B. equation
C. none
B
98➗x=14
7
3（y – 2 ）= 39
y=15
（20—2m）➗6=1.5
m=5.5
The sum of three consecutive integers is 54. What are the integers?
n + n + 1 + n + 2 = 54
n = 17
The integers are 17, 18, and 19.