Check whether p=-2 is a solution of the equation 7p-5=20 or not ...
2 answers:
Answer:
not a solution
Step-by-step explanation:
Substitute p = - 2 into the left side of the equation and if equal to the right side then it is a solution.
7(- 2) - 5 = - 14 - 5 = - 19 ≠ 20
Then p = - 2 is not a solution of the equation
no
Step-by-step explanation:
here, the equation be,
or, 7p-5=20
or, 7×(-2) - 5 = 20
or, -14-5=20
or, -19=20 which is can't be.
so ans is no
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