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3 votes
Substitute the supplied value and simplify both sides of the equation, if necessary. Then decide if the supplied value is or is not a solution.

–2p – 17 = 3(p – 5) {–2}

1 Answer

6 votes

Starting with the original equation:

-2p - 17 = 3(p - 5)

Distributing the 3 on the right side:

-2p - 17 = 3p - 15

Subtracting 3p from both sides:

-5p - 17 = -15

Adding 17 to both sides:

-5p = 2

Dividing by -5:

p = -2/5

Now, we can substitute this value of p back into the original equation and check if it is a solution:

-2(-2/5) - 17 = 3((-2/5) - 5)

4/5 - 17 = 3(-27/5)

-136/5 = -81/5

The left side does not equal the right side, so the supplied value of p = -2/5 is NOT a solution to the equation.

Hope this helps :)

answered
User Yasen Ivanov
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