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Len [333]
2 years ago
7

Find the value of x.

Mathematics
2 answers:
DanielleElmas [232]2 years ago
7 0

Answer:

x = -7

Step-by-step explanation:

Make an equation:

3x + 33 = 12

3x = -21

x = -7

zalisa [80]2 years ago
3 0

Answer:

x = -7

Step-by-step explanation:

form an equation.

14 + x + 2x + 19 = 12

like terms together;

x + 2x = 12 - 14 - 19

simplify;

3x = -21

divide both sides by 3;

x = -7

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Hope this helps!

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5 0
2 years ago
The tree frog population in your back yard doubles every two weeks. Currently, there are 10 frogs in your back yard. Assuning th
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3 years ago
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Answer:

Step-by-step explanation:

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b) The first equation can be multiplied by 7 and the second equation by 13 to eliminate y. So we have

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3 0
3 years ago
Find the length of the indicated side.
Ne4ueva [31]

Hello

DEF and IKL , equilateral  =>

DE = 5x-12 = 3x-4

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x= 21/7 = 3

KJ = 10x+3 = 30+3 = 33

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