3p+21q+15r=

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Solution for 3p+21q+15r= equation:


Simplifying
3p + 21q + 15r = 0

Solving
3p + 21q + 15r = 0

Solving for variable 'p'.

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

Add '-21q' to each side of the equation.
3p + 21q + -21q + 15r = 0 + -21q

Combine like terms: 21q + -21q = 0
3p + 0 + 15r = 0 + -21q
3p + 15r = 0 + -21q
Remove the zero:
3p + 15r = -21q

Add '-15r' to each side of the equation.
3p + 15r + -15r = -21q + -15r

Combine like terms: 15r + -15r = 0
3p + 0 = -21q + -15r
3p = -21q + -15r

Divide each side by '3'.
p = -7q + -5r

Simplifying
p = -7q + -5r

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