solve the following equations by trail and error method 4x -1=7
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Answered by
3
4x-1=7
4x=8
x=8/4
x=2
this is the answer
4x=8
x=8/4
x=2
this is the answer
anshthakur90:
ok
Answered by
1
x=1
then 4-1=3(not the right one)
x=2
then 8-1=7(right one)
this proves that x=2
then 4-1=3(not the right one)
x=2
then 8-1=7(right one)
this proves that x=2
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