# Algebra

Two electrical voltages have a total of 126 volts. If one voltage is 32 more than the other, find the voltages.

Started off with x =126V
Y = 32v
now stuck

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1. Sum and difference:
(sum+difference)/2 = larger number
(sum-difference)/2 = smaller number

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posted by MathMate
2. If x is the smaller voltage, then x+32 is the larger one.

x + x+32 = 126
Now find x, and you have the smaller voltage.

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posted by Steve

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