Addition
s + 18 = 35
s = 17
y - 27 = 15
y = 42
4x = 56
x = 14
x/5 = 18
x = 90
What is the coefficient of the following expression:
4x + 18
4
23 = 7 + x
x = 16
93 = b - 11
b = 104
34 = 2w
w = 17
5 = x/3
x = 15
What is the constant in the following expression:
4 + 6z
4
3.7 + z = 10.4
z = 6.7
c - 8.2 = 12.7
c = 20.9
2.5c = 12.5
c = 5
2.5 = x/8
x = 20
Find the mean of the following data set:
3, 7, 5, 5, 85
mean is 21
25.72 = 16.84 + t
t = 8.88
19.64 = u - 24.31
u = 43.95
18.5 = 5a
a = 3.7
w/3.9 = 8.7
w = 33.93
Write and expression with a constant of 8 and a coefficient of 3
3x + 8
Write an addition equation where z = 5.3
example: 8 = z + 2.7
Write a subtraction equation where c = 23
c - 5 = 18
Write a multiplication equation where e = 10
example 5e = 50
Write an division equation where m = 21
m/7 = 3
What are the 2 best school days of the year?
Math MCAS!