-561=7(8p-7)+8p

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Solution for -561=7(8p-7)+8p equation:


Simplifying
-561 = 7(8p + -7) + 8p

Reorder the terms:
-561 = 7(-7 + 8p) + 8p
-561 = (-7 * 7 + 8p * 7) + 8p
-561 = (-49 + 56p) + 8p

Combine like terms: 56p + 8p = 64p
-561 = -49 + 64p

Solving
-561 = -49 + 64p

Solving for variable 'p'.

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

Add '-64p' to each side of the equation.
-561 + -64p = -49 + 64p + -64p

Combine like terms: 64p + -64p = 0
-561 + -64p = -49 + 0
-561 + -64p = -49

Add '561' to each side of the equation.
-561 + 561 + -64p = -49 + 561

Combine like terms: -561 + 561 = 0
0 + -64p = -49 + 561
-64p = -49 + 561

Combine like terms: -49 + 561 = 512
-64p = 512

Divide each side by '-64'.
p = -8

Simplifying
p = -8

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