2p+q-3r=9

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Solution for 2p+q-3r=9 equation:


Simplifying
2p + q + -3r = 9

Solving
2p + q + -3r = 9

Solving for variable 'p'.

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

Add '-1q' to each side of the equation.
2p + q + -1q + -3r = 9 + -1q

Combine like terms: q + -1q = 0
2p + 0 + -3r = 9 + -1q
2p + -3r = 9 + -1q

Add '3r' to each side of the equation.
2p + -3r + 3r = 9 + -1q + 3r

Combine like terms: -3r + 3r = 0
2p + 0 = 9 + -1q + 3r
2p = 9 + -1q + 3r

Divide each side by '2'.
p = 4.5 + -0.5q + 1.5r

Simplifying
p = 4.5 + -0.5q + 1.5r

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