ttneedshelp1 ttneedshelp1

02-03-2017
Mathematics

contestada

how do i solve 5x-9y=-17 and 5x+3y=19 in elimation

Respuesta :

wolf1728 wolf1728

02-03-2017

A) 5x -9y = -17
B) 5x +3y = 19
If we multiply equation A by -1

A) -5x +9y = 17 then add it to B)
B) 5x +3y = 19
12y = 36
y = 3
we have eliminated the "x" term.

Answer Link

Otras preguntas

If AB has endpoints, A(2,-1) and B(10,13) then whats the midpoint of AB

Solve the equation 4.8y-6.9=3.18 Explain your thinking

what are the disadvantages and advantages of globalisation

The expansion plans of the Soviets led initially to which policy of the early Cold War? NATO Containment Berlin Blockade Marshall Plan

The formula for the area A of a trapezoid is shown below where h represents its height and b1 and b2 represent the lengths of its bases. for this problem let b1

As a member of Congress, you vote for a dairy-support bill because it is consistent with your thinking as a liberal Democrat. Political scientists would describ

the idea that people within a state can and should determine the laws within that statw is referred to as

single celled organisms are able to maintain internal stability becuse they

Is dna copied before meiosis 2

Which is not equivalent to 45 over 75 ? A - 9 over 15 B - 15 over 25 C - 60% D - 70%