ciaraberger
28.10.2019 •
Mathematics
What is the solution of this system of equations
4x+9y=-33
4x-3y=27
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Ответ:
4x -3y = 27
0 12y = -60
y = -60/12
y = - 5
4x +9(-5)= -33
4x -45 = -33
4x = 12
x = 12/4
x = 3
y = -5
hope this will help you
Ответ:
150
Step-by-step explanation:
area : 1/2 x 15 x 10 x 2