2p-21=6p+39

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Solution for 2p-21=6p+39 equation:


Simplifying
2p + -21 = 6p + 39

Reorder the terms:
-21 + 2p = 6p + 39

Reorder the terms:
-21 + 2p = 39 + 6p

Solving
-21 + 2p = 39 + 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.
-21 + 2p + -6p = 39 + 6p + -6p

Combine like terms: 2p + -6p = -4p
-21 + -4p = 39 + 6p + -6p

Combine like terms: 6p + -6p = 0
-21 + -4p = 39 + 0
-21 + -4p = 39

Add '21' to each side of the equation.
-21 + 21 + -4p = 39 + 21

Combine like terms: -21 + 21 = 0
0 + -4p = 39 + 21
-4p = 39 + 21

Combine like terms: 39 + 21 = 60
-4p = 60

Divide each side by '-4'.
p = -15

Simplifying
p = -15

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