126=7(-4p-2)

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Solution for 126=7(-4p-2) equation:


Simplifying
126 = 7(-4p + -2)

Reorder the terms:
126 = 7(-2 + -4p)
126 = (-2 * 7 + -4p * 7)
126 = (-14 + -28p)

Solving
126 = -14 + -28p

Solving for variable 'p'.

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

Add '28p' to each side of the equation.
126 + 28p = -14 + -28p + 28p

Combine like terms: -28p + 28p = 0
126 + 28p = -14 + 0
126 + 28p = -14

Add '-126' to each side of the equation.
126 + -126 + 28p = -14 + -126

Combine like terms: 126 + -126 = 0
0 + 28p = -14 + -126
28p = -14 + -126

Combine like terms: -14 + -126 = -140
28p = -140

Divide each side by '28'.
p = -5

Simplifying
p = -5

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