6p-21=-30+9p

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Solution for 6p-21=-30+9p equation:


Simplifying
6p + -21 = -30 + 9p

Reorder the terms:
-21 + 6p = -30 + 9p

Solving
-21 + 6p = -30 + 9p

Solving for variable 'p'.

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

Add '-9p' to each side of the equation.
-21 + 6p + -9p = -30 + 9p + -9p

Combine like terms: 6p + -9p = -3p
-21 + -3p = -30 + 9p + -9p

Combine like terms: 9p + -9p = 0
-21 + -3p = -30 + 0
-21 + -3p = -30

Add '21' to each side of the equation.
-21 + 21 + -3p = -30 + 21

Combine like terms: -21 + 21 = 0
0 + -3p = -30 + 21
-3p = -30 + 21

Combine like terms: -30 + 21 = -9
-3p = -9

Divide each side by '-3'.
p = 3

Simplifying
p = 3

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