-81=-4(1+4p)+5p

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Solution for -81=-4(1+4p)+5p equation:


Simplifying
-81 = -4(1 + 4p) + 5p
-81 = (1 * -4 + 4p * -4) + 5p
-81 = (-4 + -16p) + 5p

Combine like terms: -16p + 5p = -11p
-81 = -4 + -11p

Solving
-81 = -4 + -11p

Solving for variable 'p'.

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

Add '11p' to each side of the equation.
-81 + 11p = -4 + -11p + 11p

Combine like terms: -11p + 11p = 0
-81 + 11p = -4 + 0
-81 + 11p = -4

Add '81' to each side of the equation.
-81 + 81 + 11p = -4 + 81

Combine like terms: -81 + 81 = 0
0 + 11p = -4 + 81
11p = -4 + 81

Combine like terms: -4 + 81 = 77
11p = 77

Divide each side by '11'.
p = 7

Simplifying
p = 7

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