redrum201
redrum201
11-04-2016
Mathematics
contestada
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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