p+18=2p-9

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Solution for p+18=2p-9 equation:


Simplifying
p + 18 = 2p + -9

Reorder the terms:
18 + p = 2p + -9

Reorder the terms:
18 + p = -9 + 2p

Solving
18 + p = -9 + 2p

Solving for variable 'p'.

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

Add '-2p' to each side of the equation.
18 + p + -2p = -9 + 2p + -2p

Combine like terms: p + -2p = -1p
18 + -1p = -9 + 2p + -2p

Combine like terms: 2p + -2p = 0
18 + -1p = -9 + 0
18 + -1p = -9

Add '-18' to each side of the equation.
18 + -18 + -1p = -9 + -18

Combine like terms: 18 + -18 = 0
0 + -1p = -9 + -18
-1p = -9 + -18

Combine like terms: -9 + -18 = -27
-1p = -27

Divide each side by '-1'.
p = 27

Simplifying
p = 27

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