7p + 5q = 19p + 12
To solve for p, isolate p (get p be itself).
First, subtract 19p from both sides.
7p + 5q - 19p = 19p + 12 - 19p
-12p + 5q = 12
Subtract 5q from both sides.
-12p + 5q - 5q = 12 - 5q
-12p = 12 - 5q
Divide both sides by -12.
-12p/-12 = 12 - 5q/-12
p = -1 + 5/12q
Answer:
p = -1 +
q