mipe3ggyfKidgemissy mipe3ggyfKidgemissy

02-10-2016
Mathematics

contestada

−5x − 8y = 17 2x − 7y = −17

Respuesta :

02-10-2016

Elimination Method

-5x - 8y = 17 (×2)
2x - 7y = -17 (×5)

-10x - 16y = 34
10x - 35y = -85
____________
-51y = -51
y = 1

-5x - 8(1) = 17
-5x - 8 = 17
-5x = 17 + 8
-5x = 35
x = -7

(-7, 1)

Answer Link

Otras preguntas

How many frames per second are typically used in an animation sequence? a. 3000 c. 300 b. 30 d. 3

Find the slope of the line that passes through each pair of points. Express as a fraction in simplest form. (-2,6), (1,15)

(01.05 LC)Which fraction is equivalent to negative 4 over 6? A.) 6 /-4 B.) - 6/4 C.) 4 /-6 D.) 4/6 I NEED HALP OR ELSE IMANA DIE HERE PLSS HELPPPPP!!!!!!!!

What is one reason why teachers require their students to read classic novels in high school? A to show how novels were printed and illustrated in the past B to

M is the midpoint of AB. If A (0,4) and M (2,5) find the coordinates of B

Which event caused the total number of immigrants in united states to decrease to below 700,000 Vietnam War 1954-75 Cold war 1945-91 World War II 1939-45 Korean

15 POINTS 1.) name two planes that intersect in WX in the figure to the right

Really need help on this!!

Round the following numbers to the number of significant figures indicated: 345 (2 s.f.) ___________ 7850 (1 s.f.) ___________ 24.68 (3 s.f) ___________ 8.0

what are 5 differences of Scientific Theories vs Scientific Laws and how they are simular