Solve and check the linear equation #16

Algebra
Tutor: None Selected Time limit: 1 Day

  Solve and check the linear equation.


     0.40x - 0.20(50 + x) = -0.04(50)


Mar 3rd, 2015

0.40x-10-0.20x=-2

0.20x = 8 

x = 40

plug in x = 40

left = 0.40*40-0.20*(90) = 16-18 = -2

right hand side = -0.04*50 = -2

left = rigth 

Mar 3rd, 2015

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