Answers

2015-09-02T18:12:51+05:30
0.007x+0.021=0.008x+0.019
0.021-0.019=0.008x-0.007x
0.001x=0.002
x=0.002/0.001
x=2
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2015-09-05T19:51:56+05:30
0.007(x+3) = 0.008x+0.019

0.007x+0.007(3) = 0.008x+0.019

0.007x+0.021 = 0.008x+0.19

0.007x-0.008x = 0.19-0.21

-0.001x = -0.03

-[1/1000]x = -[3/100]

x =(3/100)/(1/1000)

x = (3 x 1000)/100

x  = 3000/100

x = 30
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