2(x - 6) = 3 - (4x - 9)2x - 12 = 3 - 4x + 92x + 4x = 3 + 9 + 126x = 24x = 45( y + 5 ) - 3( 2 - y) = 355y + 25 - 6 + 3y = 355y +3y = 35 - 25 - 68y = 4y = 0.53x - 7 + 6x = 4x - 83x + 6x - 4x = - 8 + 75x...
解方程2(X-6)=3-(4X-9)、5(Y+5)-3(2-Y)=35、3X-7+6X=4X-8 3(X+1)-(3X-
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