解方程.1.9X-(28-16.6)=0 10.1X+38.6=54.3+9.55

问题描述:

解方程.1.9X-(28-16.6)=0 10.1X+38.6=54.3+9.55
列方程并求出方程的解
4X的5倍减去40,差是110.
X的0.5倍与6个8的和是50.

1.9X-(28-16.6)=01.9x-11.4=01.9x=11.4x=11.4÷6x=610.1X+38.6=54.3+9.5510.1x=63.85-38.610.1x=25.25x=25.25÷10.1x=2.54x*5-40=11020x=110+4020x=150x=7.50.5x+6x8=500.5x=50-480.5x=2x=4