7p+9q=21

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Solution for 7p+9q=21 equation:


Simplifying
7p + 9q = 21

Solving
7p + 9q = 21

Solving for variable 'p'.

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

Add '-9q' to each side of the equation.
7p + 9q + -9q = 21 + -9q

Combine like terms: 9q + -9q = 0
7p + 0 = 21 + -9q
7p = 21 + -9q

Divide each side by '7'.
p = 3 + -1.285714286q

Simplifying
p = 3 + -1.285714286q

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