-21-6p=-7+4(1-3p)

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Solution for -21-6p=-7+4(1-3p) equation:


Simplifying
-21 + -6p = -7 + 4(1 + -3p)
-21 + -6p = -7 + (1 * 4 + -3p * 4)
-21 + -6p = -7 + (4 + -12p)

Combine like terms: -7 + 4 = -3
-21 + -6p = -3 + -12p

Solving
-21 + -6p = -3 + -12p

Solving for variable 'p'.

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

Add '12p' to each side of the equation.
-21 + -6p + 12p = -3 + -12p + 12p

Combine like terms: -6p + 12p = 6p
-21 + 6p = -3 + -12p + 12p

Combine like terms: -12p + 12p = 0
-21 + 6p = -3 + 0
-21 + 6p = -3

Add '21' to each side of the equation.
-21 + 21 + 6p = -3 + 21

Combine like terms: -21 + 21 = 0
0 + 6p = -3 + 21
6p = -3 + 21

Combine like terms: -3 + 21 = 18
6p = 18

Divide each side by '6'.
p = 3

Simplifying
p = 3

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