noah1781
noah1781
02-12-2018
Mathematics
contestada
Solve by substitution 3x+y=5 and 2x-y=10
Respuesta :
charper317
charper317
02-12-2018
3x+5=2x-10
-2x -2x
X+5=-10
-5 -5
X=-15
3(-15)+y=5
-45+y=5
+45 +45
y=50
2(-15)-y=10
-30-y=10
+30 +30
-y=40
Divide by -1 on both sides
y=-40
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
what is 0.000068 in scientific notation? enter your answer in the box.
Are 7 and 42 relatively prime
if $15 % of $375,how much is 5%
rearrange the formula v = u at for t.
When can and athlete return to play after a concussion
What does this photograph reveal about American society during World War II? (2 points) Choose one answer. a. Strong anti-semitic sentiment in the U.S. isolat
What is the drawing technique of using dots instead of lines called?
what dose hasta pronto mean
Fourthly children from an after school club went to the matinee this is 25% of the children in the club. How many children are in the club
where on the scale is bacteria moat likely to grow
