3p-12=21p

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Solution for 3p-12=21p equation:


Simplifying
3p + -12 = 21p

Reorder the terms:
-12 + 3p = 21p

Solving
-12 + 3p = 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.
-12 + 3p + -21p = 21p + -21p

Combine like terms: 3p + -21p = -18p
-12 + -18p = 21p + -21p

Combine like terms: 21p + -21p = 0
-12 + -18p = 0

Add '12' to each side of the equation.
-12 + 12 + -18p = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -18p = 0 + 12
-18p = 0 + 12

Combine like terms: 0 + 12 = 12
-18p = 12

Divide each side by '-18'.
p = -0.6666666667

Simplifying
p = -0.6666666667

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