Respuesta :
Answer:
p = 3y
Step-by-step explanation:
Compare like terms in both expressions, that is
- 7p = - 21y ( divide both sides by - 7 )
p = 3y
and as a check
p² = (3y)² = 9y²
Answer:
p = 3y
Step-by-step explanation:
Compare like terms in both expressions, that is
- 7p = - 21y ( divide both sides by - 7 )
p = 3y
and as a check
p² = (3y)² = 9y²