2x+4*(x+5)=80
4个回答
2x+4(x+5)=80
2x+4x+20=80
2x+4x=80-20
6x=60
x=10
相关问题
4/5(x+2)^2=80
解x-2/5x+8=80%x-4
4(x+y)=80 5(x-y)=80
(7.5/1+5/1)+5/1(x-1)=1 80/xX2+80/x+5 x8=4/3
解不等式(x+5)(x+2)(x-1)(x-4)≤-80.
[4x−1.5/0.5−5x−0.80.2=1.2−x0.1].
80%-4=(1-2/5)x+8
{4(x+y)=80.5(x-y)=80.方程式
解方程:2x/80+8/(x+5)=3/4
4(x十5)+x=80