15-p+6=3-9+12

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Solution for 15-p+6=3-9+12 equation:


Simplifying
15 + -1p + 6 = 3 + -9 + 12

Reorder the terms:
15 + 6 + -1p = 3 + -9 + 12

Combine like terms: 15 + 6 = 21
21 + -1p = 3 + -9 + 12

Combine like terms: 3 + -9 = -6
21 + -1p = -6 + 12

Combine like terms: -6 + 12 = 6
21 + -1p = 6

Solving
21 + -1p = 6

Solving for variable 'p'.

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

Add '-21' to each side of the equation.
21 + -21 + -1p = 6 + -21

Combine like terms: 21 + -21 = 0
0 + -1p = 6 + -21
-1p = 6 + -21

Combine like terms: 6 + -21 = -15
-1p = -15

Divide each side by '-1'.
p = 15

Simplifying
p = 15

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