6p+3=42-3p-21

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Solution for 6p+3=42-3p-21 equation:


Simplifying
6p + 3 = 42 + -3p + -21

Reorder the terms:
3 + 6p = 42 + -3p + -21

Reorder the terms:
3 + 6p = 42 + -21 + -3p

Combine like terms: 42 + -21 = 21
3 + 6p = 21 + -3p

Solving
3 + 6p = 21 + -3p

Solving for variable 'p'.

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

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

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

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

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

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

Combine like terms: 21 + -3 = 18
9p = 18

Divide each side by '9'.
p = 2

Simplifying
p = 2

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