7x-3x=2.12
1个回答
4x=2.12 x=0.53
相关问题
(x2+3x+12)(x2+7x+12)-120
7.2x-3.2x-7.8=12.
2.7x=3(x-12)
12-X/X^3-7X^2+12X怎么做
(4/7x-12)+3/2(4/7X-12)=X 解出来
(x-1)/(x^2+3x+2)+(x+3)/(x^2+7x+12)
3X-2Y=12X+3Y=-7╭3X-2Y=1╰2X+3Y=-7
解方程(1)3x+7=32-2x;(2)7x+2(3x-3)=20;(3)[x+2/3−x+12=2
3x-7>-2x+3 4x-12>0
x-7/12=2/3 3/4+x=11/12 2x+2/3=8/3解方程