goldenstorm765 goldenstorm765

10-01-2017
Mathematics

contestada

1.solve the following system by substitution:

4x+y=24
y=-4x+24

2.solve the following system by substitution

y=2x+4
3x+y=9

Respuesta :

familiaof5 familiaof5

10-01-2017

4x+(-4x+24)=24 *substitute in the value of y
0+24=24 * simplify
0=-24+24
0=0
3x+2x+4=9 *substitute in the value of y
5x+4=9 * simplify
5x=-4+9
5x=5
x=1

Answer Link

Otras preguntas

To remove a worksheet group, you can right-click the sheet tab of a sheet in the group and then click ____ on the shortcut menu.

Why do people in movies die from a single stab wound?

what number is 8.2 of 50

Foods that contain "empty calories" fill your body with sugar and _____a0

Which country did the united states support in the iran-iraq war from 1980 to 1988?

What role does nuclear war play in Wiesel’s speech?

what region of the world that was likely occupied last by the early humans

Which statement contains the best example of understatement? A) The good news is that you're okay; the bad news is that many others aren't. B) Just a tiny bit

What factor led to the decision to hold war-crimes trials in Nuremberg Germany? A - Nuremberg was the birthplace of the Nazi Party. B -Nuremberg had been libera

What is the value of g(−3) when g(x)=2x−2 ? g(−3)=