Addition Equations
Subtraction Equations
Division Equations
Multiplication Equations
Challenge Problems
100
F + 4 = 10
F = 6
100
S - 4 = 8
S = 12
100
E/4 = 8
E = 32
100
12A = 60
A = 5
100
B + 0.75 = 2.542
B = 1.792
200
M + 1.3 = 2.6
M = 1.3
200
W - 7.2 = 12.5
W = 19.7
200
H/6 = 14
H = 84
200
3R = 2.4
R = 0.8
200
3-K = 5
K = -2
300
R + 2.1 = 20
R = 17.9
300
N - 1.3 = 25
N = 26.3
300
B/10 = 0.4
B = 4
300
0.9Z = 0.27
Z = 0.3
300
0.4T = 16
T = 40
400
Q + 3/4 = 1 1/4
Q = 2/4
400
Z - 3/7 = 6/7
Z = 1 2/7
400
V/5= 9/15
V = 3
400
2/3H = 1/6
H = 1/4
400
(2 1/2)N = 50
N = 20
500
Y + 1/3 = 2/4
Y = 1/3
500
P - 1/4 = 1 3/8
P = 1 5/8
500
J/(1/4) = 3
J = 12
500
2/3U = 8/21
U = 4/7
500

(2x-5)/3=7

x = 13
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