-4p+21=-17

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Solution for -4p+21=-17 equation: 


Simplifying
-4p + 21 = -17

Reorder the terms:
21 + -4p = -17

Solving
21 + -4p = -17

Solving for variable 'p'.

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

Add '-21' to each side of the equation.
21 + -21 + -4p = -17 + -21

Combine like terms: 21 + -21 = 0
0 + -4p = -17 + -21
-4p = -17 + -21

Combine like terms: -17 + -21 = -38
-4p = -38

Divide each side by '-4'.
p = 9.5

Simplifying
p = 9.5

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