crytongillbranion
15.04.2020 •
Mathematics
Find the solution to this system: 5x-2y=-11 -2x+5y=17 Multiplying equation 2 by will create additive inverses for the x-coefficient
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Ответ:
Step-by-step explanation:
5x-2y=11
-2x+5y=17
eqn1×2=10x-4y=22
eqn2×5= -10x+25y=85
21y=107
y=107÷21
5x-2(107/21)=11
5x-(214/21)=11
105x-214=231
105x= 445
x=445/105=
Ответ:
Y intercept or b is (0,-1) or -1