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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