4+9p-1=9p+21-3p

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Solution for 4+9p-1=9p+21-3p equation:


Simplifying
4 + 9p + -1 = 9p + 21 + -3p

Reorder the terms:
4 + -1 + 9p = 9p + 21 + -3p

Combine like terms: 4 + -1 = 3
3 + 9p = 9p + 21 + -3p

Reorder the terms:
3 + 9p = 21 + 9p + -3p

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

Solving
3 + 9p = 21 + 6p

Solving for variable 'p'.

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

Add '-6p' to each side of the equation.
3 + 9p + -6p = 21 + 6p + -6p

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

Combine like terms: 6p + -6p = 0
3 + 3p = 21 + 0
3 + 3p = 21

Add '-3' to each side of the equation.
3 + -3 + 3p = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 3p = 21 + -3
3p = 21 + -3

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

Divide each side by '3'.
p = 6

Simplifying
p = 6

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