vihandesai vihandesai
  • 02-08-2019
  • Mathematics
contestada

3x - [3+ {x- (3+x)}] = 5 + 2x

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mateuszbalazy6
mateuszbalazy6 mateuszbalazy6
  • 02-08-2019

3x - [3+{x-3-x}] = 5 + 2x

3x - [3-3] = 5 + 2x

3x - 2x = 5

x = 5

Answer Link
Аноним Аноним
  • 02-08-2019

Answer:

x = 5.

Step-by-step explanation:

3x - [3+ {x- (3+x)}] = 5 + 2x

We simplify the parentheses,  working from the inner parentheses 'outwards'.

3x - [3+ {x- (3+x)}] = 5 + 2x

3x - [3 + {x - 3 - x}  ] = 5 + 2x

3x - [ 3 + x - 3 - x ] = 5 + 2x

3x - 0 = 5 + 2x

3x - 2x = 5

x = 5 (answer).

Answer Link

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