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(3/2)*x-2.2 = 2*(0.7*x-1) // - 2*(0.7*x-1)
(3/2)*x-(2*(0.7*x-1))-2.2 = 0
(3/2)*x-2*(0.7*x-1)-2.2 = 0
(3*x)/2-2*(0.7*x-1)-2.2 = 0
(-2*2*(0.7*x-1))/2+(3*x)/2+(-2.2*2)/2 = 0
3*x-2*2*(0.7*x-1)-2.2*2 = 0
0.2*x-4.4+4 = 0
0.2*x-0.4 = 0
(0.2*x-0.4)/2 = 0
(0.2*x-0.4)/2 = 0 // * 2
0.2*x-0.4 = 0
0.2*x-0.4 = 0 // + 0.4
0.2*x = 0.4 // : 0.2
x = 0.4/0.2
x = 2
x = 2
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