11-3(10-x)-2(15-2x)=0
2个回答
11-3(10-x)-2(15-2x)=0
11-30+3x-30+4x=0
7x=-49
x=-7
相关问题
3x2+2x-1≥0 x2-3x-10>0 4x2-11x-3<0 -x2+3x+10>0 4个不等式求解
3x^2-11x+10=0如何解答?
因式分解(1)(x+1)(x+3)=15 (2)6x^2-31x-11=0
若(x-2)的平方+15y-11=0,求代数式-3(2x-y)-{7x-[6x+2y-(10x-8y
2x+11/15=14/15 x-(2/3-1/4)=11/12
14x+6(11-x)=54 5x+8(15-x)=90 4x-2(10-x)=14 6x-3(15-x)=36 0.5
(1)3x2-15=0(2)x2+4x-6=0(3)2x2-7x+3=0(4)(x+2)2-10(x+2)+24=0.
11x-8y=5 11(x+0.2)+8(y+0.3)=10-0.4
1,求X的值a)X^3-6X^2+11X-6=0b)X^4-10X^3+35X^2-50X+24=0c)X^5-15X^
(x+1)2+(x+1)11=a0+a1(x+2)+a2(x+2)2+…+a10(x+2)10+a11(x+2)11,则