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

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


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

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

Reorder the terms:
-1 + 3p = 5(-1 + p) + -2(7 + -1p)
-1 + 3p = (-1 * 5 + p * 5) + -2(7 + -1p)
-1 + 3p = (-5 + 5p) + -2(7 + -1p)
-1 + 3p = -5 + 5p + (7 * -2 + -1p * -2)
-1 + 3p = -5 + 5p + (-14 + 2p)

Reorder the terms:
-1 + 3p = -5 + -14 + 5p + 2p

Combine like terms: -5 + -14 = -19
-1 + 3p = -19 + 5p + 2p

Combine like terms: 5p + 2p = 7p
-1 + 3p = -19 + 7p

Solving
-1 + 3p = -19 + 7p

Solving for variable 'p'.

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

Add '-7p' to each side of the equation.
-1 + 3p + -7p = -19 + 7p + -7p

Combine like terms: 3p + -7p = -4p
-1 + -4p = -19 + 7p + -7p

Combine like terms: 7p + -7p = 0
-1 + -4p = -19 + 0
-1 + -4p = -19

Add '1' to each side of the equation.
-1 + 1 + -4p = -19 + 1

Combine like terms: -1 + 1 = 0
0 + -4p = -19 + 1
-4p = -19 + 1

Combine like terms: -19 + 1 = -18
-4p = -18

Divide each side by '-4'.
p = 4.5

Simplifying
p = 4.5

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