7p-7=8p-4(p+7)

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Solution for 7p-7=8p-4(p+7) equation:


Simplifying
7p + -7 = 8p + -4(p + 7)

Reorder the terms:
-7 + 7p = 8p + -4(p + 7)

Reorder the terms:
-7 + 7p = 8p + -4(7 + p)
-7 + 7p = 8p + (7 * -4 + p * -4)
-7 + 7p = 8p + (-28 + -4p)

Reorder the terms:
-7 + 7p = -28 + 8p + -4p

Combine like terms: 8p + -4p = 4p
-7 + 7p = -28 + 4p

Solving
-7 + 7p = -28 + 4p

Solving for variable 'p'.

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

Add '-4p' to each side of the equation.
-7 + 7p + -4p = -28 + 4p + -4p

Combine like terms: 7p + -4p = 3p
-7 + 3p = -28 + 4p + -4p

Combine like terms: 4p + -4p = 0
-7 + 3p = -28 + 0
-7 + 3p = -28

Add '7' to each side of the equation.
-7 + 7 + 3p = -28 + 7

Combine like terms: -7 + 7 = 0
0 + 3p = -28 + 7
3p = -28 + 7

Combine like terms: -28 + 7 = -21
3p = -21

Divide each side by '3'.
p = -7

Simplifying
p = -7

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