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Adding Equations
Multiplying Equations
Subtracting Equations
Dividing Equations
Fraction and Decimal Equation
100
x + 39 = 68
x = 29
100
10n = 40
10n = 40 n = 4
100
x - 5 = 7
x = 12
100
2b = -30
b = 15
100
100x = 31.31
99x=31
200
x + 4 = 12
x = 8
200
15x = 0
x = 0
200
x - 120 = 80
x = 200
200
-24 = 3x
-8=x
200
-0.3 = 7.53
y = -25.1
300
30x + 30 = -60
x = -30
300
7x = 21
x = 3
300
y - 8 = 24
y = 32
300
4x = 20
x = 5
300
3/4 + x = 2
x = 11/4
400
x + -24 = -56
x = -32
400
8x = 104
x = 13
400
2x - y = 2
y = 2
400
3x = 15
x = 5
400
3/4x+9/4=9
x=9