你好!数学之美团为你解答(2x+1)/4 -(3x+1)/2 = 2两边同乘以4(2x+1) - 2(3x+1) = 82x+1 - 6x - 2 = 8- 4x = 9x = - 9/4(5x+3)/2 = (1+7x)/3 - 1两边同乘以63(5x+3) = 2(1+7x) - 615x + 9 = 2+14x - 6x = - 13