The length of a rectangle is 5 cm less than its width. If the perimeter of the rectangle is 54 cm, find the LENGTH.
(x - 5) + (x - 5) + x + x = 54 LENGTH = 11 cm (x=16)
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5
What is the inverse operation for dividing?
multiplying
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15
5x - 7 = -17
x = -2
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10
x/2 = -10
x = -20
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25
4m − 4 = 16m
m = -1/3
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20
15n = −2(1 − 7n)
n = -2
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15
-2w + 10 = 30
w = -10
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20
m/3 - 3 = -6
m = -9
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25
The sum of two consecutive numbers is 73. Find both numbers.
x + x + 1 = 73 36, 37
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10
x/-8 = 10
x = -80
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25
2(4x − 3) = − 8
x = -1/4
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20
7(1 + 2x) = - 63
x = -5
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25
WRITE AN EQUATION for the following (DO NOT SOLVE): Friendship’s soccer team purchased uniforms and equipment for a total cost of $912. The equipment cost $612, and the uniforms cost $25 each. How many uniforms did the school purchase?
