5p+7(-3-p)=-5p

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Solution for 5p+7(-3-p)=-5p equation:


Simplifying
5p + 7(-3 + -1p) = -5p
5p + (-3 * 7 + -1p * 7) = -5p
5p + (-21 + -7p) = -5p

Reorder the terms:
-21 + 5p + -7p = -5p

Combine like terms: 5p + -7p = -2p
-21 + -2p = -5p

Solving
-21 + -2p = -5p

Solving for variable 'p'.

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

Add '5p' to each side of the equation.
-21 + -2p + 5p = -5p + 5p

Combine like terms: -2p + 5p = 3p
-21 + 3p = -5p + 5p

Combine like terms: -5p + 5p = 0
-21 + 3p = 0

Add '21' to each side of the equation.
-21 + 21 + 3p = 0 + 21

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

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

Divide each side by '3'.
p = 7

Simplifying
p = 7

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