11p-9=-21+12p

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Solution for 11p-9=-21+12p equation:


Simplifying
11p + -9 = -21 + 12p

Reorder the terms:
-9 + 11p = -21 + 12p

Solving
-9 + 11p = -21 + 12p

Solving for variable 'p'.

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

Add '-12p' to each side of the equation.
-9 + 11p + -12p = -21 + 12p + -12p

Combine like terms: 11p + -12p = -1p
-9 + -1p = -21 + 12p + -12p

Combine like terms: 12p + -12p = 0
-9 + -1p = -21 + 0
-9 + -1p = -21

Add '9' to each side of the equation.
-9 + 9 + -1p = -21 + 9

Combine like terms: -9 + 9 = 0
0 + -1p = -21 + 9
-1p = -21 + 9

Combine like terms: -21 + 9 = -12
-1p = -12

Divide each side by '-1'.
p = 12

Simplifying
p = 12

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