3 years ago

A,x=-5+3y 3x+2y=7 B,x-5=2 2x+y=4

Mathematics

1 answer:

polet [3.4K]3 years ago

6 0

Answer:

$x = 1 \\ y = 2$

Step-by-step explanation:

$x = - 5 + 3y \\ 3x + 2y = 7 \\ 3( - 5 + 3y) + 2y = 7 \\ - 15 + 9y + 2y = 7 \\ - 15 + 11y = 7 \\ 11y = 7 + 15 \\ 11y = 22 \\ y = 2 \\ 3x + 2(2) = 7 \\ 3x + 4 = 7 \\ 3x = 3 \\ x = 3$

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