7p+9q-5(7p-5q+5r)=

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Solution for 7p+9q-5(7p-5q+5r)= equation:


Simplifying
7p + 9q + -5(7p + -5q + 5r) = 0
7p + 9q + (7p * -5 + -5q * -5 + 5r * -5) = 0
7p + 9q + (-35p + 25q + -25r) = 0

Reorder the terms:
7p + -35p + 9q + 25q + -25r = 0

Combine like terms: 7p + -35p = -28p
-28p + 9q + 25q + -25r = 0

Combine like terms: 9q + 25q = 34q
-28p + 34q + -25r = 0

Solving
-28p + 34q + -25r = 0

Solving for variable 'p'.

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

Add '-34q' to each side of the equation.
-28p + 34q + -34q + -25r = 0 + -34q

Combine like terms: 34q + -34q = 0
-28p + 0 + -25r = 0 + -34q
-28p + -25r = 0 + -34q
Remove the zero:
-28p + -25r = -34q

Add '25r' to each side of the equation.
-28p + -25r + 25r = -34q + 25r

Combine like terms: -25r + 25r = 0
-28p + 0 = -34q + 25r
-28p = -34q + 25r

Divide each side by '-28'.
p = 1.214285714q + -0.8928571429r

Simplifying
p = 1.214285714q + -0.8928571429r

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