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

Question

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 :

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familiaof5 familiaof5 · Answer 1 · 2017-01-10T15:10:19+01:00

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

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﻿﻿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 :

Otras preguntas

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