小王同学在解方程5(x-2)=3(x-2)时,将方程两边同除以x-2得到5=2,很明显这是错误的,请你帮助小王同学写出正确的解方程过程
问题描述:
小王同学在解方程5(x-2)=3(x-2)时,将方程两边同除以x-2得到5=2,很明显这是错误的,请你帮助小王同学写出正确的解方程过程
答
5x-10=3x-6
2x=4
x=2
答
5(x - 2) = 3(x - 2)
5(x - 2) - 3(x - 2) = 0
(5 - 3)(x - 2) = 0
2(x - 2) = 0
x - 2 = 0÷2
x - 2 = 0
x = 0 + 2
x = 2