halwoodkaty halwoodkaty
  • 02-11-2019
  • Mathematics
contestada

Solve each system by subst
1) y= 63-11
-2x-3y=-7​

Respuesta :

Аноним Аноним
  • 02-11-2019

y= 63-11

y= 52

-2x-3y=-7

-2x-3(52)= -7

-2x-156= -7

move -156 to the other side

sign changes from -156 to +156

-2x-156+156= -7+156

-2x= -7+156

-2x= 149

divide both sides by -2 to get x by itself

-2x/-2= 149/-2

x=- 149/2

Answer:

(-149/2, 52)

Answer Link

Otras preguntas

What is the value of 15/124×230/30÷230/124
what is the difference between rough ER and smooth ER? what is the ER doing that is different in this case
If something is made of atoms, it must be ____.
a company charges $46 for cable TV installation and $21 per month for basic cable service. Write an algebraic expression to represent the total cost of m months
43.586 to the nearest tenth, hundredth, and one.
ammar hikes 23/4 miles of nature trail in 1 hour and 15 min .How many miles of trail does ammar hike per hour? pleas help me to understand this
What does a rain forest smell like
How much does the element Radon cost per pound
an interview with the french ambassaador about diplomacy in france would be considered a ?
suma a trei numere este 3932/Primul numar este cu 1330mai mare decat al doilea si cu 1740mai mare decat al treilea determinati cele trei numere vreau rezolvar