briannalane120
briannalane120
26-05-2017
Mathematics
contestada
NEED AN EXPERT PLZ ASAP
Respuesta :
Аноним
Аноним
26-05-2017
System of equations:
x + y = 23
x - y = 7
Add them together
2x = 30
x = 15
Now plug 15 into one of the equations:
15 + y = 23
y = 8
your two numbers are 15 and 8
Answer Link
apologiabiology
apologiabiology
26-05-2017
x+y=23 and
x-y=7
add
2x=30
divide 2
x=15
sub back
15-y=7
minus 15
-y=-8
y=8
da numbers are 8 and 15
Answer Link
VER TODAS LAS RESPUESTAS ( 87+ )
Otras preguntas
Do living things go through mitosis? Justify your answer
BIOLOGY 30 HELP!!!!!!
don’t really know what linear functions are
Who wanna the following sentences with appropriate preterite forms. Now theses are irregular j-stems, I-stems, and u-stems verbs. 8. Marta ____ (tracer) un pic
what sports/games are played in your community
What is the solution to the system of equations? y=1/2x-6
3x +2y=10 4x-y=6 using substitutional method
Urgent, pls help me!!!
Which claim is most effective for an argumentative essay about the Columbian Exchange? The Columbian Exchange involved bringing goods to and from two different
Fires, factory waste, and automobile exhaust are major cause of _________ in south and Southeast Asia
