Respuesta :

Supernova

9x + 7y = -12

  • Plug 1 for x into the equation and solve for y.

9(1) + 7y = -12

  • Multiply 9 and 1 together.

9 + 7y = -12

  • Subtract 9 from both sides.

7y = -21

  • Divide both sides by 7.

y = -3

  • is your answer.