4.8x+10.7x=4.96；x-0.8x=3.6怎么解方程?早答优先考虑采纳

4.8x-x=0. （X+X)+(X-X)+(X*X)+(X/X)=100 一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X x*x*x*x*x=80000? 4.8X+10.7X=4.96解方程 4.8x+6.2x-x=4.8 3.6x*(2.1-x)=4.8x 4.8x+10.7x=4.96；x-0.8x=3.6怎么解方程?早答优先考虑采纳 （x-3.6)/4=(x+4.8)/8x 求x 16^X - 12^X -9^X = 0.求X. (98-X)+(100-X)+X=X/0. x--0.6x=4.8 x-0.25x=0. x+4.5x=0. X-0.25x=0. X-0.25x=0. 2.2x-x=0. 120X-X=0.