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Integer equations
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Fraction equations
100
What is a simplified expression for the perimeter (omkrets) of a square if one side is A cm long?
4A cm
100
4x+3-2x=
2x+3
100
Solve: 3b + 4 = 22
b = 6
100
1.2a - 3.6 = 4.8
a = 7
100
x/2 + 8 = 36
x = 56
200
What is a simplified expression for the perimeter (omkrets) of a rectangle where one side is 3 times as long as the other side and the shorter side has length B dm?
8B dm
200
-3a+20-6+4-2a+a=
-4a+18
200
Solve: 9f - 11 = 17f - 27
f = 2
200
1.2b - 3.6 = 3.6b + 1.2
b = -2
200
x/4 - 8 = 1.5
x = 38
300
Alice has A kr, Bob has 5 kr more than Alice, Clara has 10 kr less than twice as much as Alice. What is a simplified expression for how much money they all have together?
4A - 5 kr
300
3.1b - 4.5 + 0.5 - 2.8b + b =
1.3b - 4
300
6 -3k +2k - 2 + 3 - k = 11k + 18 - 3 + 1 - k - 3k + 9
k = -2
300
0.86c - 4 + 1 - c = 2.4 - 1.64c
c = 3.6
300
2a/3 - 5 = 31
a = 54
400
I have drawn a square and an equilateral triangle (liksidig). Each side of the triangle is 3 cm less than the whole perimeter (omkrets) of the square. If a side of the square is K meters, what is a simplified expression for the perimeter of the triangle?
12K - 9 meters
400
-x/2 + 5 - x/2 - 3 + 1 =
-x + 3
400
99x - 23 = 12 - 11x - 6 + 4 + 2x - 33
x = 0
400
2(0.5a-1.5) = 43
a = 46
400
b/2 = 30 - b/3
b = 36
500
The perimeter (omkrets) of a square is 8A cm. What is a simplified expression for the area of the square?
4A2 cm2
500
x/2 - 15 + x/3 - 4 +1 =
5x/6 -18
500
4(2x - 3) = 156
x = 21
500
0.5(x+1) = 4(0.5x - 0.2) + 0.1
x = 0.8
500
x/2 + x/3 + x/4 = 169
x = 156
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