Answered

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Y=3x
Y=x+4
What is substitute and the solution?

Sagot :

AmeChan

take the second equation and plug it into the first one after you set it equal to x.

so y+4=x then plug it into the first equation.

y=y+4-4

then 4-4=0

so your answer would be y=y which would make it be no solution

3x = x - 4

x = -2

Since y = 3x, then y = 3(-2) = -6. It also satisfies the second equation

how do you solve

y=3x

y=x-4

using substitution

----------

3x = x-4

2x = -4

x = -2

--------

y = -6

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