1-3(8-X)=-2(15-2X)
4个回答
1-3(8-X)=-2(15-2X),
3x-23=4x-30,
x=7
相关问题
(-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x
1-3(8-X)=-2(15-2X)
3X+8=2X+12 25%X+4.2=15%x+1.8 (1+15%)X-25%X=0.81
(1.8*15+1*15)+(2.3*X+1*X)=58.5
15(x-1)-8(3x+2)=2-30(x-1)怎么解
2+3(8-X)=2(2X-15) X=?
解方程:(-4)8(1+2x)=(-2)15(3x-1)
15=X/3+2 .(x+2)/3=(3-x)/2.(x-3)/4-(1+3x)/8.7-(X+5)/2=(2-X)/5
(1)1-3﹙8-x﹚=-2﹙15-2x﹚ (2)-2/3 a=-4/1 a+1
证明(x+1)(x+3)(x+5)(x+7)+15=(x^2+8x)^2+22(x^2+8x)+120