13-04-2015
Mathematics

contestada

0.4(2x+1/2)=3[0.2x+(-2)]-4 solve the equation

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LadyCiel LadyCiel

13-04-2015

0.4(2x+1/2) = 3[0.2x-2]-4
0.8x+0.2 = 0.6x-6-4 Distribute it out
0.8x+0.2 = 0.6x-10 Combine like terms
0.2x = -10.2 Subtract 0.6x and 0.2 from both sides
x = -51 Multiply both sides by 5

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