rachampt76
18.09.2020 •
Mathematics
How do you work out:
3b+5+2b
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Ответ:
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
Ответ:
6
Explanation:
(8x +2y)/z
((8×0.5) +(2×4))÷(2)
=(4+8)/2
=12/2
= 6