3 years ago

Y= 3x - 15 x+y=13 find the solution

Mathematics

2 answers:

Pepsi [2]3 years ago

6 0

Answer:

x+3x-15=13

4x=28

x=7

......

vfiekz [6]3 years ago

5 0

Answer:

$y = 3x - 15 \\ \\ to \: find \: x \: substitute \: y \: into \: 0\\ \\ 0 = 3x - 15 \\ - 3x = - 15 \\ divide \: both \: sides \:by \: - 3 \\ \\ x = 5$

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