stojo22
stojo22
10-11-2016
Mathematics
contestada
solving by substitution -3x-3y=3 and y=-5x-17
Respuesta :
cheetahdoglover1
cheetahdoglover1
10-11-2016
-3x - 3 (5x - 17) = 3
-3x - 15x + 51 = 3. combine like terms
-18 x + 51 - 51 = 3 - 51
-18x = -48 divide by -18
x = 3
put 3 in for x
-3 (3) -3y = 3 multiply
-9 +9 - 3y = 3 + 9 combine like terms
-3y = 12 divide by -3
y = -4
Answer Link
VER TODAS LAS RESPUESTAS ( 49+ )
Otras preguntas
useful frictions and unhelpful frictions
we drive a distance of 1 kilometer at 18 km/h. then we drive an additional distance of 1 kilometer at 40 km/h. what is our average speed?
A golf ball and bowling ball are moving and both have the same kinetic energy.Which one is moving faster? If they move at the same speed, which one has more kin
As part of a class project. Mesut collected $126 in donations for a local hospice. That amount was 7% of the total amount collected by the class. How much mo
Describe how Newton’s three laws of motion are used in testing the safety of our automobiles
Solve for x. rs/x=1/4
After the Civil War, the South had to reinvent its economy because?
how do you divide 455÷9
What is the first step in solving the quadratic equation x2 – 40 = 0?
three characteristics of buoyant economy
