2+x+2x+3+p=21

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Solution for 2+x+2x+3+p=21 equation:


Simplifying
2 + x + 2x + 3 + p = 21

Reorder the terms:
2 + 3 + p + x + 2x = 21

Combine like terms: 2 + 3 = 5
5 + p + x + 2x = 21

Combine like terms: x + 2x = 3x
5 + p + 3x = 21

Solving
5 + p + 3x = 21

Solving for variable 'p'.

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

Add '-5' to each side of the equation.
5 + p + -5 + 3x = 21 + -5

Reorder the terms:
5 + -5 + p + 3x = 21 + -5

Combine like terms: 5 + -5 = 0
0 + p + 3x = 21 + -5
p + 3x = 21 + -5

Combine like terms: 21 + -5 = 16
p + 3x = 16

Add '-3x' to each side of the equation.
p + 3x + -3x = 16 + -3x

Combine like terms: 3x + -3x = 0
p + 0 = 16 + -3x
p = 16 + -3x

Simplifying
p = 16 + -3x

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