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igomit [66]
3 years ago
13

What is the value of x

Mathematics
2 answers:
NikAS [45]3 years ago
6 0

<u>Answer</u>

2


<u>Explanation</u>

The two angles in the diagram are directly opposite. Directly opposite angle are equal.

∴ 12x - 7 = 4x + 9

put the like terms together,

12x - 4x = 9 + 7

8x = 16

x = 16/8

  = 2

Olegator [25]3 years ago
3 0

First set up the equation 12x-7=4x+9

Get all the x's on one side and number on one side so you have 8x= 16

You get X=2

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3 years ago
For each container of tea, McKenzie uses 16 tea bags and 3 cups of sugar. If McKenzie uses 64 tea bags, how many cups of sugar w
cestrela7 [59]
So tis is a ratio  16 is to 3 or 16:3
if use 64 tea bags then how many cups of sugar so
turn 16:3 into fraction
16:3=16/3 or 3/16, it doesn't matter
then you want to find 64:x or 64/x or x/64

we know that 16/3=64/x because it tis an equivalent ratio
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