Ответ:
у=2х+1
х=5 → у=2*5+1=10+1= 11
х= -2 → у=2*(-2)+1= -4+1= -3
_______________
у = -2х+3
у=5 →
-2х+3=5
-2х=5-3
-2х= 2
х= -1
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Ответ:
у=2х+1
х=5 → у=2*5+1=10+1= 11
х= -2 → у=2*(-2)+1= -4+1= -3
_______________
у = -2х+3
у=5 →
-2х+3=5
-2х=5-3
-2х= 2
х= -1