3-p-1=5(p-1)-2(7-2p)

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Solution for 3-p-1=5(p-1)-2(7-2p) equation:


Simplifying
3 + -1p + -1 = 5(p + -1) + -2(7 + -2p)

Reorder the terms:
3 + -1 + -1p = 5(p + -1) + -2(7 + -2p)

Combine like terms: 3 + -1 = 2
2 + -1p = 5(p + -1) + -2(7 + -2p)

Reorder the terms:
2 + -1p = 5(-1 + p) + -2(7 + -2p)
2 + -1p = (-1 * 5 + p * 5) + -2(7 + -2p)
2 + -1p = (-5 + 5p) + -2(7 + -2p)
2 + -1p = -5 + 5p + (7 * -2 + -2p * -2)
2 + -1p = -5 + 5p + (-14 + 4p)

Reorder the terms:
2 + -1p = -5 + -14 + 5p + 4p

Combine like terms: -5 + -14 = -19
2 + -1p = -19 + 5p + 4p

Combine like terms: 5p + 4p = 9p
2 + -1p = -19 + 9p

Solving
2 + -1p = -19 + 9p

Solving for variable 'p'.

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

Add '-9p' to each side of the equation.
2 + -1p + -9p = -19 + 9p + -9p

Combine like terms: -1p + -9p = -10p
2 + -10p = -19 + 9p + -9p

Combine like terms: 9p + -9p = 0
2 + -10p = -19 + 0
2 + -10p = -19

Add '-2' to each side of the equation.
2 + -2 + -10p = -19 + -2

Combine like terms: 2 + -2 = 0
0 + -10p = -19 + -2
-10p = -19 + -2

Combine like terms: -19 + -2 = -21
-10p = -21

Divide each side by '-10'.
p = 2.1

Simplifying
p = 2.1

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