Equations with Brackets
Unknown on both sides
Equations with Fractions
Setting up Equations
Wild Card
100
2(x+3) = 12
x = 3
100
4a + 3 = 8 + 2a
a = 2.5
100
p/5 + 3 = 7
p = 20
100
Sally thinks of a number. She multiplies it by 6 and then adds 4. Her answer is 40. If y is the number that Sally was thinking of work out the value of y.
y = 6
100
3b - 4 = 17
b = 7
200
2(1 - w) = 10
w = -4
200
d + 7 = 5d + 15
d = -2
200
m/2 + m/5 = 21
m = 30
200
A rectangle measures 3x+1 by x+2/4. If the perimeter of the rectangle is 60, what is the value of x?
x = 8.15
200
2 - 5k = 15
k = -2.6
300
2 = 3(1 + 3x)
x = -1/9
300
4y - 3 = 2y - 8
y = -2.5
300
3(2y - 10) = 4y -7/2
y = 53/8
300
In an election, candidate A scored m votes. Candidate B scored 3/10 of A's votes. Candidate C scored 2/5 fewer votes than A. The total number of votes cast in the election was 3800. How many votes did each candidate get?
A = 2000 B = 600 C = 1200
300
17 = 3 - 4m
m = -3.5
400
13 = 4(x + 3)
x= 0.25
400
2x + 5 = 1 + 3(2 + x)
x = -2
400
3t + 6/10 + 5 -2t /5 = 6
t = -44
400
Tim has $x. John has $20 more than Tim. Molly has twice as much as John. The total amount of money they have is $132. Find how much money they each have.
Tim = $18 John = $38 Molly = $76
400
Is this a formula, equation, identity or expression? 2(x+3) = x +4
Equation
500
17 = 6 - 3(5 - 2y)
y = 13/3 or 4.3
500
6 + 2(x - 3) = x - 3(1 - 2x)
x = 3/5 or 0.6
500
3y - 4/2 - 2y + 1/5 = 1 - y/3
y = 76/43
500
There is an isosceles triangle with side lengths of AB=2(x-4) and AC=x+7. AB=AC. What are the lengths of side AB and AC?
AB = 22cm AC = 22cm
500
Is this a formula, equation, expression or identity? y=mx+c
Formula
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