(16x=2x)*0.7=18
2个回答
(16x+2x)×0.7=18
18x×0.7=18
7/10x=1
x=10/7
相关问题
公式法解x²-7x-18=0 2x²+7x=4 16x²+8x=3
解方程.1.56x+3.16=7.84 1.6x+2x×0.7=18
x+7/16=13/18
X^3-7X^2+18X-24=0
解方程:x2-7x-18=0.
1.6x+2x*0.7=18
1.2(x-7)²-18=0
1/(x^2+7x)-1/(x^2+7x+6)+1/(x^2+7x+18)-1/(x^2+7x+12)=0
解方程 12X-9X=8.7 6X+18=48 X+4.8=7.2 16÷X=2.5