bmgtcreative
bmgtcreative
02-05-2018
Mathematics
contestada
system of equations
y=2x-3
x+y=18
Respuesta :
mamercier21
mamercier21
02-05-2018
2x-3=-1x+18
+1x +1x
3x-3=18
+3 +3
3x=21
divide both sides by 3
x=7
Answer Link
VER TODAS LAS RESPUESTAS ( 25+ )
Otras preguntas
How do we solve this the short way by using a calculator??
A number b increased by 8 is greater than 25.
Use Pascal’s Triangle to expand the following binomials.(x² - 2)³
Find all solutions in the set of real numbers. Show all your work. cos2θ=−sin2θ
f(1)= 8 1/2; f(n)= f( n-1) - 1/2; 5 1/2. Find the position of the given term
Based on the graph, what are the solutions of theequationx^3 - 6x^2 + 9x = 0?x = 3x= -3,0 x = 0,3 x = -3, 0,3
QuestionFind the equation of the line with slope m=1/4 that contains the point (4,5)
How many moles of oxygen gas are needed to produce 5.67 moles of carbon dioxide? CH4+2O2➡️ CO2+2H2O
HelpppThe graph shows the change in concentrations of EPA-monitored air pollutants over time. Which pollutant has decreased the most inconcentration since the E
which of the binomials below is a factor of this trinomial? x^2+14x+40A. x-9B. x+10C. x+14D. x^2 + 40
