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IRINA_888 [86]
3 years ago
7

Simplify: 4(5x-1)-8x+11=?Slove: -5(x+1)+3x=6-(4x-3)=?

Mathematics
2 answers:
DIA [1.3K]3 years ago
4 0

Answer:

  • 4(5x - 1) - 8x + 11 = 12x + 7
  • -5(x+1)+3x = 6-(4x-3) ↔ x = 7

Step-by-step explanation:

4(5x - 1) - 8x + 11

= 20x - 4 - 8x +11

= 12x + 7

-5(x + 1) + 3x = 6 - (4x - 3)

↔ -5x - 5 + 3x = 6 - 4x + 3

↔ -2x - 5 = 9 - 4x

↔ 2x = 14

↔ x = 7

suter [353]3 years ago
3 0

Answer:

1. 12x+7

2. x=7

Step-by-step explanation:

1. 4(5x-1)-8x+11=?

multiply 4(5x-1)

20x-4-8x+11

Subtract 8x from 20x which is 12x

then subtract 4 from 11 which is 7

12x+7

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6 0
3 years ago
A city has a 5% sales tax.
MAXImum [283]
Yes,
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8 0
2 years ago
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Step-by-step explanation:

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