kaybreeze
kaybreeze
12-03-2015
Mathematics
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what's 2\5 =12/n solving proportions
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Аноним
Аноним
12-03-2015
Cross multiply: 2 * n = 5 * 12
Simplifying 2 * n = 5 * 12
Multiply 5 * 12 2n = 60
Solving 2n = 60
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Divide each side by '2'. n = 30
Simplifying n = 30
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x·|2x+5|+2x·|x-3|=35
