6p+21=15p-40

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Solution for 6p+21=15p-40 equation:


Simplifying
6p + 21 = 15p + -40

Reorder the terms:
21 + 6p = 15p + -40

Reorder the terms:
21 + 6p = -40 + 15p

Solving
21 + 6p = -40 + 15p

Solving for variable 'p'.

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

Add '-15p' to each side of the equation.
21 + 6p + -15p = -40 + 15p + -15p

Combine like terms: 6p + -15p = -9p
21 + -9p = -40 + 15p + -15p

Combine like terms: 15p + -15p = 0
21 + -9p = -40 + 0
21 + -9p = -40

Add '-21' to each side of the equation.
21 + -21 + -9p = -40 + -21

Combine like terms: 21 + -21 = 0
0 + -9p = -40 + -21
-9p = -40 + -21

Combine like terms: -40 + -21 = -61
-9p = -61

Divide each side by '-9'.
p = 6.777777778

Simplifying
p = 6.777777778

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