bossboybaker
01.12.2020 •
Mathematics
Find the solution of system of equations.
-6x-9y=-42
6x+5y=10
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Ответ:
X = -5, y = 8
Step-by-step explanation:
add the two equations together since the x‘s will cancel
-4y = -32
y = 8
then plug 8 in for y and solve
6x + 5(8) = 10
6x + 40 = 10
6x = -30
x = -5
Ответ: