21p+7=139

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Solution for 21p+7=139 equation: 


Simplifying
21p + 7 = 139

Reorder the terms:
7 + 21p = 139

Solving
7 + 21p = 139

Solving for variable 'p'.

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

Add '-7' to each side of the equation.
7 + -7 + 21p = 139 + -7

Combine like terms: 7 + -7 = 0
0 + 21p = 139 + -7
21p = 139 + -7

Combine like terms: 139 + -7 = 132
21p = 132

Divide each side by '21'.
p = 6.285714286

Simplifying
p = 6.285714286

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