-3(p-7)=21

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Solution for -3(p-7)=21 equation: 


Simplifying
-3(p + -7) = 21

Reorder the terms:
-3(-7 + p) = 21
(-7 * -3 + p * -3) = 21
(21 + -3p) = 21

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

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

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

Solving
-3p = 0

Solving for variable 'p'.

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

Divide each side by '-3'.
p = 0

Simplifying
p = 0

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