10p+9-4-p=-21(2p+4)-3(-2)

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Solution for 10p+9-4-p=-21(2p+4)-3(-2) equation:


Simplifying
10p + 9 + -4 + -1p = -21(2p + 4) + -3(-2)

Reorder the terms:
9 + -4 + 10p + -1p = -21(2p + 4) + -3(-2)

Combine like terms: 9 + -4 = 5
5 + 10p + -1p = -21(2p + 4) + -3(-2)

Combine like terms: 10p + -1p = 9p
5 + 9p = -21(2p + 4) + -3(-2)

Reorder the terms:
5 + 9p = -21(4 + 2p) + -3(-2)
5 + 9p = (4 * -21 + 2p * -21) + -3(-2)
5 + 9p = (-84 + -42p) + -3(-2)

Multiply -3 * -2
5 + 9p = -84 + -42p + 6

Reorder the terms:
5 + 9p = -84 + 6 + -42p

Combine like terms: -84 + 6 = -78
5 + 9p = -78 + -42p

Solving
5 + 9p = -78 + -42p

Solving for variable 'p'.

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

Add '42p' to each side of the equation.
5 + 9p + 42p = -78 + -42p + 42p

Combine like terms: 9p + 42p = 51p
5 + 51p = -78 + -42p + 42p

Combine like terms: -42p + 42p = 0
5 + 51p = -78 + 0
5 + 51p = -78

Add '-5' to each side of the equation.
5 + -5 + 51p = -78 + -5

Combine like terms: 5 + -5 = 0
0 + 51p = -78 + -5
51p = -78 + -5

Combine like terms: -78 + -5 = -83
51p = -83

Divide each side by '51'.
p = -1.62745098

Simplifying
p = -1.62745098

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