Seudónimo Seudónimo

15-01-2017
Mathematics

contestada

is (-3,11) a solution to the system of equation shown below.
x-3y=16
3x+4y=48
Explain your answer please.

Respuesta :

jamilashah jamilashah

15-01-2017

Plug in the numbers for x, and y in the equation.
x=-3, y= 11

x-3y=16
-3 -3(11)=16
-3 -33=16
-36=16 the point (-3,11) is not the solution.

3x+4y=48
3(-3) + 4(11)=48
-9 + 44= 48
35=48 The point (-3,11) is not the solution.

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