tommy6668
03.07.2019 •
Mathematics
Given: △abc≅△def, △klm≅△def prove: △abc≅△klm set up as a two-column proof. there are three triangles they are equal to each other. triangle 1: ∠a, ∠b, ∠c triangle 2: ∠d, ∠e, ∠f triangle 3: ∠k, ∠l, ∠m
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Ответ:
Ответ:
(-18,40)
(x,y)
by-step explanation:
-2(3x+2y=26)
3(2x+5y=32)
-6x-4y=-52
+ 6x+5y=92
1y/1=40/1
y=40
3x+2y=26
3x+2(40)=26
3x+80=26
-80 -80
3x/3=-54/3
x=-18