Question

3x- 2 10 trial error method​

Answer 1

Step-by-step explanation:

3x-210=0

we can apply two methods here...

method 1: if x=70

then, 3(70)-210=210-210=0

so, x=70

method 2: 3x-210=0

taking 210 to RHS side: 3x=210

x=210/3=70

so, x=70