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2014-06-27T13:13:32+08:00

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Substitute a=4, b=3, c=2

5(a+b) - 3(b+c)

5(4+3) - 3(3+2)

5(7) - 3(5)

35 - 15 = 20



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5(4+3) - 3 (3+2)
5(7) - (3(5)

5 x 7 is equals to 35 subtract by 3x5(15) is equals to 20
35-15 =20

HOPE IT CAN HELP :)
you should post your question using the blue Answer box
hehehe i got wrong ^_^
2014-06-27T13:33:36+08:00
5(4-3) - 3(3+2)
5(7) - 3(5)

5x7 is equal to 35 and subtracted to 3x5(its15) equals 20
Final Answer : 35 - 15 =20 

HOPE IT CAN HELP :)
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