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

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


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

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

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

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

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

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

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

Combine like terms: p + -9p = -8p
-1 + -8p = -19 + 9p + -9p

Combine like terms: 9p + -9p = 0
-1 + -8p = -19 + 0
-1 + -8p = -19

Add '1' to each side of the equation.
-1 + 1 + -8p = -19 + 1

Combine like terms: -1 + 1 = 0
0 + -8p = -19 + 1
-8p = -19 + 1

Combine like terms: -19 + 1 = -18
-8p = -18

Divide each side by '-8'.
p = 2.25

Simplifying
p = 2.25

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