Sameer1104 Sameer1104

29-11-2015
Mathematics

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How do you work out:
3b+5+2b

Respuesta :

taskmasters taskmasters

29-11-2015

We can solve the expression by combining the numbers with similar signs

3b + 5 + 2b
Becomes,

5b+5.

An example:
10(2x + 9) + 10x - 12

Solution.
1. 10(2x + 9) + 10x - 12
2. 20x + 90 + 10x - 12
3. 20x + 10x + 90 - 12

Simplest form will be,
4. 30x + 78
5. 30x = -78
6. x = -2.6

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