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maks197457 [2]
3 years ago
8

Solving system by substitution Y=3x Y=x+4

Mathematics
2 answers:
velikii [3]3 years ago
5 0

So we're given Y = 3x.

We now can replace Y, for 3x in the equation:

Y = x + 4

3x = x + 4

3x - x = 4

2x = 4

x = 2

inessss [21]3 years ago
3 0

Answer:

y=3x is given so you put 3x in the equation sooo... u get 2

Step-by-step explanation:

Y = x + 4

3x = x + 4

3x - x = 4

2x = 4

x = 2

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