jrv1790688 jrv1790688

11-01-2018
Mathematics

contestada

substitution
3x-y=4
x=4y+17

Respuesta :

pebblesone pebblesone

11-01-2018

3(4y+17)-y=4
12y+51-y=4
11y+51=4
11y=-47
y=-47/11

x=4(-47/11)+17
x=-188/11+17
x=-1/11

hope this helps!

Answer Link

adara231 adara231

11-01-2018

The answer to this equation is -1/11 , -47/11. Solve for the first variable in one of the equations, then substitute the result into the other equation.

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