solve equation (algebra)

label Mathematics
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May 12th, 2015

3x + 7 = 8

3x = 8 - 7 = 1

x = 1/3

Then,

2x - 3 = 2(1/3) - 3

= 2/3 - 3

= 2/3 - 9/3

= -7/3

May 12th, 2015

Thnx so much!!


May 12th, 2015

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