64+5r-8p+6p+7(2r-4r)=0

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Solution for 64+5r-8p+6p+7(2r-4r)=0 equation:


Simplifying
64 + 5r + -8p + 6p + 7(2r + -4r) = 0

Combine like terms: 2r + -4r = -2r
64 + 5r + -8p + 6p + 7(-2r) = 0

Remove parenthesis around (-2r)
64 + 5r + -8p + 6p + 7 * -2r = 0

Multiply 7 * -2
64 + 5r + -8p + 6p + -14r = 0

Reorder the terms:
64 + -8p + 6p + 5r + -14r = 0

Combine like terms: -8p + 6p = -2p
64 + -2p + 5r + -14r = 0

Combine like terms: 5r + -14r = -9r
64 + -2p + -9r = 0

Solving
64 + -2p + -9r = 0

Solving for variable 'p'.

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

Add '-64' to each side of the equation.
64 + -2p + -64 + -9r = 0 + -64

Reorder the terms:
64 + -64 + -2p + -9r = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -2p + -9r = 0 + -64
-2p + -9r = 0 + -64

Combine like terms: 0 + -64 = -64
-2p + -9r = -64

Add '9r' to each side of the equation.
-2p + -9r + 9r = -64 + 9r

Combine like terms: -9r + 9r = 0
-2p + 0 = -64 + 9r
-2p = -64 + 9r

Divide each side by '-2'.
p = 32 + -4.5r

Simplifying
p = 32 + -4.5r

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