Question

4p - 5 = 17

By trial and error method​

Answer 1

Answer:

4p-5=17

put p=1

4(1)-5=-1...so p can't be 1

put p=2

4(2)-5= 3...so p can't be 2

put p=3

4(3)-5=7... so p can't be 3

put p=5

4(5)-5=15...so p can't be 5

put p= 22/4

4(22/4)-5= 17....so p=22/4=5.5

Answer 2

Answer:

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Step-by-step explanation:

Substituting different value of the variable and checking the quality of LHS and RHS in the error method let us solve the equation 3x - 5=17 we start to substitute different alues of x.