2x-2/5=0.7 - solution

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Solution for 2x-2/5=0.7 equation:

x in (-oo:+oo)

2*x-(2/5) = 0.7 // - 0.7

2*x-(2/5)-0.7 = 0

2*x-2/5-0.7 = 0

2*x-1.1 = 0 // + 1.1

2*x = 1.1 // : 2

x = 1.1/2

x = 0.55

x = 0.55

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