4.7x-25=2.7x+65(解方程)
问题描述:
4.7x-25=2.7x+65(解方程)
答
4.7X-2-7X=65+25
2X=90
X=45
望采纳
答
4.7x-25=2.7x+65
2x=90
x=45
答
4.7x-2.7x=65+25
(4.7-2.7)x=90
2x=90
x=45
答
4.7x-25=2.7x+65
4.7x-2.7x=65+25
2x=90
x=45
答
4.7x-2.7x=65+25
(4.7-2.7)x=90
2x=90
x=90÷2
x=45