redrum201 redrum201

11-04-2016
Mathematics

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1 fourth B minus 10 equals 7

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penfila11Pen penfila11Pen

11-04-2016

[tex] \frac{1}{4} [/tex]b - 10 = 7
Take 10 to the other side.

[tex] \frac{1}{4} [/tex]b = 17

Multiply by 4 to isolate b
[tex] \frac{1}{4} [/tex]b × 4 = 17 × 4

4 and 4 cancels out

b = 68

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