Addition/Subtraction
x + 4 = 25
x = 21
x / 2 = 6
x = 12
The sum of 2 and x equals 10
2 + x = 10
12 + x = 29 when x = 13?
NO. x = 17
Give the first 3 coordinates for this equation:
y = 2x
(0,0) , (1,2), (2,4)
a + 13 = 23
a = 10
d / 7 = 9
d = 63
The product of 5 and w is 25
5w = 25
19 - y = 7 when y = 12?
YES
Give the first 3 coordinates for this equation:
y = 9x
(0,0), (1,9), (2,18)
y - 7 = 30
y = 37
9x = 72
x = 8
The quotient of 21 and x is the same as 7
21 / x = 7
y = 4x ; (9, 36)
YES. 36 = 36
Give the first 3 coordinates for this equation:
y = 4x + 1
(0,1), (2,9), (3,13)
w - 39 = 124
w = 163
12y = 84
y = 7
Twice d is the same as 20
2d = 20
y = 5x + 3 ; (7, 39)
NO. 39 does not equal 38.
Give the first 3 coordinates for this equation:
y = 7x + 2
(0,2), (1,9), (2,16)
28 + x = 143
x = 115
17w = 119
w = 7
24 fewer than x is 5
x - 24 = 5
y = 7x - 7 ; (7, 42)
YES. 42 = 42
Give the first 3 coordinates for this equation:
y = 9x + 4
(0,4), (1,13), (2,22)