6x÷2+10x÷2=30解：3x+5x=308x=30x=15/4
原方程化简得3x+5 x=30 8x=30 x=3.75
3x + 5x = 308x = 30x=3.75
6X÷2＋10x÷2＝303X＋5x＝308x＝30 x＝15／4
