is456789 is456789
  • 01-03-2017
  • Mathematics
contestada

y+3=x
3x+4y=16


Find the solution using the substitution method.

Respuesta :

yiwen yiwen
  • 01-03-2017
to the beginning,we know y+3=x
then,substitute x into y
=>3(y+3)+4y=16
then,to solve y
7y=16-9
y=1
so,x=y+3=4
Answer Link

Otras preguntas

Which factors affect the movement of ocean currents? Select the two correct answers. A. Salinity B. Global winds C. Solar radiation D. Ocean depth
ANSWER IF UR SURE 11 Points ANSWER 6 & 7
What is the cost-push theory of inflation?
What kind of compound increases the hydrogen ion concentration in a solution?
If you have an intermediate license and or 16 years old you may drive on unaccompanied between the hours of a- 10 p.m. and 7 a.m. B- 8 p.m. and 9 a.m. C- 9 p.m.
Is the student correct? Yes, a hydrocarbon is any compound that contains a carbon backbone. Yes, a hydrocarbon is any compound that contains hydrogen and oxyg
You unfold chicken wire to make a circular pen with a diameter of 2.9 meters. how many meters of chicken wire do you need?
Explain why antibodies allow scientists to target and identify specific disease agents.
I was asked to do this one but I don't know what's the answer.
Who is the final arbiter of what the words in the Bill of Rights mean in legal controversies?