12x-7x*8=5x(解方程)
问题描述:
12x-7x*8=5x(解方程)
答
12x-7x*8=5x
7x-56x=0
49x=0
x=0
12x-7x*8=5x(解方程)
12x-7x*8=5x
7x-56x=0
49x=0
x=0