Multi Step Eq
Variables on both sides
Ab Value Equations
Ratios and Proportions
% Change
100
7y - 9 =33
y = 6
100
8m + 7 = 5m + 16
m = 3
100
/x - 6/ = 11
x = 17, x = -5
100
4/9 = a/45
a = 20
100
Original: $20 New: $23
+15%
200
2d - 4 = 8
d = 6
200
9w - 24 = 6w + 18
w = 14
200
/y - 9/ = 16
y = 25, y = -7
200
9/12 = g/16
g = 12
200
Original: $25 New: $17
-32%
300
14 = -8 - 2k
k = -11
300
21 + 3x = 9 - 3x
x = -2
300
/-4w + 2/ = 14
w = -3, w = 4
300
a/3 = 16/24
a = 2
300
Original: $35.99 Sales Tax: 6.75%
New: $38.42
400
(n/4) - 7 = -2
n = 20
400
4(3w - 2) = 8(2w + 3)
w = -8
400
/(1/3)d - 6/ = 15
d = 63, d = -27
400
9/(k + 3) = 3/5
k = 12
400
Original: $22.95 Discount: 25%
New:$17.21
500
(r + 4)/3 = 7
r = 17
500
(x - 3)/4 = x/2
x = -3
500
/(2b/3) +8/ = 20
b = 18, b = -42
500
(4x + 7)/15 = (6x + 2)/10
x = 0.8
500
Original: $60 Discount: 25% Sales Tax: 6.75%
New: $48.04
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