12/7x=8/3+15
1个回答
两边同时乘以7x
12=8/3*7x+15*7x
12=56x/3+105x
两边同时乘以3
36=56x+315x
371x=36
x=36/371
相关问题
3x+7x=59.2 15.2-x=5.6 x-12.56=15.7 (x-8)÷
解方程 4.7×12-10x=18x 5.7(2x-6)=8 6.3(6x-7)=15x+12
4X-15/7=15/7X-(3/1+4/3)=12/11
解方程:1+x=8/7 x+1/8=15/16 x-5/12=3/8 x-3/4=1/2
4*(-15)*(-7/8+1 3/4-7/12)
解方程.7x-9=5x5(x-8)=3x 7x-5x5=2x7X12-10x=18x3(6x-7)=15x+12
(-8/5)+15/7+(-12/5)+(-22/7)+7/3 计算
1.5/17X5/12X17 2.7/13+7/13X12 3.6/7-6/7X8/15 (简便计算、求过程)
7x+12=8(x-3)
(-3/7)x(-2/3)x(-8/15)