2x-22=64 2x-22=642x-22+22=64+222x=x=
2x-22=64 2x-22=642x-22+22=64+222x=x=
(4x+2)/x+(4x-22)/(x-5)=(x-6)/(x-4)+(7x+9)/(x+1)
(x-22)+(x-24)+(x-27)+(x-20)=x
x-4x=102 x-0.8x=22
(29-2x)(22-2x)=478.5 求x
11x+42-2x=100-9x-22
(X+X)+(X-X)+(X*X)+(X/X)=100
x-4/1x=8/3 x-0.8x=22 3/2x+2/1x=42
2×(22-x)-4x=2,
152-x=(22+x)×2
2x+(22-x)=40
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x