15-09-2014
Mathematics

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I'm doing statics a math class and I need help to solve A = a+b÷2 for b

Respuesta :

15-09-2014

Remember your order of operations . . . multiplication/division comes before addition/subtraction.

A = a + (b/2)

Subtract 'a' from each side: A - a = b/2

Multiply each side by 2 : 2(A - a) = b

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