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Equations Quiz REDO (Chp.7 Math 6)
供稿人: Stevens
1.  The sum of a number n and 4 is 12.
Solve and check the equation.
4•n = 12
n + 4 = 12
12 - n = 4
12 ÷ n = 4
n = 
2.  The product of a number x and 5 is 20.
Solve and check the equation.
5•x = 20 
x + 5 = 20
x - 5 + 20
20 ÷ x = 5
x = 
3.  The quotient of a number y and 2 is 8.
Solve and check the equation.
2•y = 8
y + 2 = 8
y ÷ 2 = 8
8 - y = 2
y = 
4.  6 is 1 less than a number m.
Solve and check the equation.
6 ÷ m = 1
m - 1 = 6
6 - m = 1
1•m = 6
m = 
5.  A number n decreased by 7 is 11.
Solve and check the equation.
n = 
7•n = 11 
n + 7 = 11
11 ÷ 7 = n
n - 7 = 11
6.  The quotient of a number x and 3 is 60.
Solve and check the equation.
x ÷ 3 = 60
3•x = 60
x - 3 = 60
3 + x = 60
x = 
7.  The area of a 9 foot long floor rug is 36 square feet.  Write and solve an equation to find the width of the rug.
l = 9 ft.
A = 36 ft.2
w = ?
width = 
ft.
ft.
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