5X=4X+2 等于几?

(x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几? 5X=4X+2 等于几? 2x=4-x,x等于几 0=-5x x等于几 x-3分之2-4x+1分之5=1 x等于几 5x=1+2,求X等于几 4(x+2)的平方=16,X等于几 4x-x等于几 y*y*y*y+2x*x*x*x=4x*x*y 求x等于几,y等于几,写出所有选项! 15-(7-5x)=2x+(11-3x)求x等于几 5x-3x=1 求x等于几? x+5x=6,x等于几