3(x+2)-(8+x)=3(x+8)-2(x-1)
1个回答
3x+6-8-x=3x+24-2x+2
3x-x-3x+2x=24+2-6+8
x=28
相关问题
3(x+1)-1=8X 3x+3-1=8x 3x-8x=3-1 -5x=2 x=-2/5 哪里算错了
1/2x-8 x+3x+(1/2x-8)=100 =x?
(1-1/2)x(2-2/3)x(3-3/4)x……x(8-8/9)x(9-9/10)
x-4/1x=8/3 x-0.8x=22.3/2x+2/1x=42
(-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x
解方程[3/5]x+[1/8]=[1/2] 0.8x-[2/3]x=0.6 [2+x/8]=[3/4].
(1+x)/3-2x=8-(x+8)/4
实数范围内因式分解:(1) 3x^2-5x-4 (2) -2x^2+3x+1 (3) (x^2-8x)+5(x^2+8x
log6(2x)>2; log1/8x>3; 2^2x>8; 9^3x