Question

solve the equation by the help of trial and error method 4x=28 full method ​

Answer 1

Answer:

x=7

Step-by-step explanation:

if

x=1 4*1=28 wrong

x=2 4*2=28 wrong

x=3 4*3=28 wrong

x=4 4*4=28 wrong

x=5..4*5=28 wrong

x=6..4*6=28 wrong

x=7..4*7=28 correct

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Answer 2

Step-by-step explanation:

1.put x=1

4(1)=28

not possible, so, x is not equal to one

2.put x=2

4(2) =28

not possible, , x is not equal to two

similarly

put x=7

4(7)=28

it is possible so x=7

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