Question

3/4x+1＝5怎么算,还有要验算,16/3就是为什么不对呀

Answer 1

3/4x+1=5

3/4x=4

x=4*4/3

x=16/3

验算 把x=16/3代入方程

3/4*16/3+1

=16/4+1

=4+1

=5

等式成立 所以 x=16/3