gizzy1274 gizzy1274

18-10-2017
Mathematics

contestada

How do you solve the system by substitution?

y = 4x + 24
y = 5x

Respuesta :

Evelyn281 Evelyn281

18-10-2017

Set up a new equation of 5x=4x+24 and solve it should be x=24

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Sunny888 Sunny888

18-10-2017

So first you know that y=5x, then put this in the first equation instead of y, so it will be 5x=4x+24, and you just move the 4x to the other side of the equation, and you get 5x-4x=24, and finally, x=24.
I hope this will be useful to you ;)

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