217=-7(3p-7)

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Solution for 217=-7(3p-7) equation:


Simplifying
217 = -7(3p + -7)

Reorder the terms:
217 = -7(-7 + 3p)
217 = (-7 * -7 + 3p * -7)
217 = (49 + -21p)

Solving
217 = 49 + -21p

Solving for variable 'p'.

Move all terms containing p to the left, all other terms to the right.

Add '21p' to each side of the equation.
217 + 21p = 49 + -21p + 21p

Combine like terms: -21p + 21p = 0
217 + 21p = 49 + 0
217 + 21p = 49

Add '-217' to each side of the equation.
217 + -217 + 21p = 49 + -217

Combine like terms: 217 + -217 = 0
0 + 21p = 49 + -217
21p = 49 + -217

Combine like terms: 49 + -217 = -168
21p = -168

Divide each side by '21'.
p = -8

Simplifying
p = -8

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