Ariandraaliyah Ariandraaliyah
  • 12-12-2020
  • Mathematics
contestada

Solve the system by substitution.
-2y = x
7x+9y = -45

Respuesta :

daniyal04
daniyal04 daniyal04
  • 12-12-2020

Answer:

9

Step-by-step explanation:

substitute the value

Answer Link

Otras preguntas

What is the name of the relationship between 4 and 8? A. adjacent B. alternate interior C. alternate exterior D. corresponding
How are Tybalt and Benvolio the same and different in the story Romeo and Juliet?
10% as a decimal and fraction??
Which sentence has no errors in capitalization? A. Would mexican Tacos be too much trouble at a picnic? B. It's too bad that we won't have crisp french bread. C
Katrina has 2 blue ribbons for her hair 1/4 of all her ribbons are blue how many ribbons does Katrina have in all
What major Islands did Rome conquer?
What did Stanton's writings suggest about the status of women during World War 1?
Which answer choice best corrects the punctuation errors in the sentence, if any errors exist? Is that red paint on the new carpet, Dad gasped. A. "Is that red
True Or false and explain my reasoning If two quadrilaterals are similar, then the ratios of their corresponding side lengths are equal
in triangle PQR, p equals what. 1) (r sin P)/ sin Q 2) (r sin P)/ sin R 3) (r sin R)/ sin P 4) (q sin R)/ sin Q