radomes.openskiesproject.org
laceybugtorres
laceybugtorres laceybugtorres
  • 04-03-2016
  • Mathematics
Answered

Solve the system of equations 2x + 3y = 40 and –2x + 2y = 20. A. x = –10, y = 20 B. x = 10, y = 20 C. x = –6, y = 4 D. x = 2, y = 12

Verified Answer :

olemakpadu
olemakpadu olemakpadu
  • 04-03-2016

2x + 3y = 40
+
-2x + 2y = 20
___________                  Adding both equations

0x + 5y  = 60
____________


5y = 60
y = 60/5 = 12

y = 12.

Since we have gotten y =12, and the only option with that is option D.

So we don't have to solve for x.

The answer is D.

Answer Link
Anonymous Anonymous
  • 15-04-2021

Answer:

y=12

Step-by-step explanation:

Answer Link

Related Questions

what is the role of communication in modern governance
Ground squirrels are found in many areas of the United States They live in underground burrows and are often attacked by birds of prey coyotes and boBCats Which
What is iron deficiency anemia
how does annotating the text help you
Why was the defeat at the Alamo in 1836 significant for Texas
you go shopping for a 10 lb Family pack of ground beef for 2347There is a mangers special coupon for 325 off your purchaseHow much did u pay per pound
Which of these is the correct sequence of events leading to evolution A Variation in species gt natural selection gt differential reproduction gt heredity gt ev
who were the people who wanted to abolish slavery
Solve iprt if i105 p700 amp r005
what was the strongest critisism of the constitutuoon