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Maksim231197 [3]
3 years ago
5

20 - 4x = 2(4 - 8x) This needs solving

Mathematics
2 answers:
Olenka [21]3 years ago
8 0

20 - 4x = 2(4 - 8x)

Make sure to do the parentheses first or factor out first

20 - 4x = 8 - 16x

add 16x to both sides

20 + 12x = 8

Subtract 20

12x = -12

Divide by 8

x = -1

Leviafan [203]3 years ago
4 0

Answer:

x=-4

Step-by-step explanation:

20-4x=4-8x

move variable to the left side and change its sign:

20-4x+8x=4

-4x+8x=4-20

4x=4-20

4x=-16-Divide both sides of the equation by 4

x=-4

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