3p+-9=4p

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Solution for 3p+-9=4p equation:


Simplifying
3p + -9 = 4p

Reorder the terms:
-9 + 3p = 4p

Solving
-9 + 3p = 4p

Solving for variable 'p'.

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

Add '-4p' to each side of the equation.
-9 + 3p + -4p = 4p + -4p

Combine like terms: 3p + -4p = -1p
-9 + -1p = 4p + -4p

Combine like terms: 4p + -4p = 0
-9 + -1p = 0

Add '9' to each side of the equation.
-9 + 9 + -1p = 0 + 9

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

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

Divide each side by '-1'.
p = -9

Simplifying
p = -9

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