7p+9=9(10p-3)-9(-10+9p)

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Solution for 7p+9=9(10p-3)-9(-10+9p) equation:


Simplifying
7p + 9 = 9(10p + -3) + -9(-10 + 9p)

Reorder the terms:
9 + 7p = 9(10p + -3) + -9(-10 + 9p)

Reorder the terms:
9 + 7p = 9(-3 + 10p) + -9(-10 + 9p)
9 + 7p = (-3 * 9 + 10p * 9) + -9(-10 + 9p)
9 + 7p = (-27 + 90p) + -9(-10 + 9p)
9 + 7p = -27 + 90p + (-10 * -9 + 9p * -9)
9 + 7p = -27 + 90p + (90 + -81p)

Reorder the terms:
9 + 7p = -27 + 90 + 90p + -81p

Combine like terms: -27 + 90 = 63
9 + 7p = 63 + 90p + -81p

Combine like terms: 90p + -81p = 9p
9 + 7p = 63 + 9p

Solving
9 + 7p = 63 + 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.
9 + 7p + -9p = 63 + 9p + -9p

Combine like terms: 7p + -9p = -2p
9 + -2p = 63 + 9p + -9p

Combine like terms: 9p + -9p = 0
9 + -2p = 63 + 0
9 + -2p = 63

Add '-9' to each side of the equation.
9 + -9 + -2p = 63 + -9

Combine like terms: 9 + -9 = 0
0 + -2p = 63 + -9
-2p = 63 + -9

Combine like terms: 63 + -9 = 54
-2p = 54

Divide each side by '-2'.
p = -27

Simplifying
p = -27

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