👤

a) y=2x+7 y=x+1 b)y=-2+3 y=-x+1​

Răspuns :

a)

y=2x+7

y=x+1

=> 2x+7=x+1 <=> x=-6

b)

y=-2x+3

y=x+1

=> -2x+3=x+1 <=> -3x=-2 <=> x=2/3