9p-(2p-1)=9p-2p-1

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Solution for 9p-(2p-1)=9p-2p-1 equation: 


Simplifying
9p + -1(2p + -1) = 9p + -2p + -1

Reorder the terms:
9p + -1(-1 + 2p) = 9p + -2p + -1
9p + (-1 * -1 + 2p * -1) = 9p + -2p + -1
9p + (1 + -2p) = 9p + -2p + -1

Reorder the terms:
1 + 9p + -2p = 9p + -2p + -1

Combine like terms: 9p + -2p = 7p
1 + 7p = 9p + -2p + -1

Reorder the terms:
1 + 7p = -1 + 9p + -2p

Combine like terms: 9p + -2p = 7p
1 + 7p = -1 + 7p

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

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

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

Solving
1 = -1

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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