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2(5x-1)+3y=5(3x+y)+2
6x-3+4y-8=9
10x-2+3y=15x+5y+2
6x+4y=20
-5x-2y=4 // ×2
6x+4y=20
-10x-4y=8
-4x=28 // ÷ (-4)
x= -7
6×(-7)+4y=20
-42+4y=20
4y=20+42
4y=62 // ÷4
y=15,5
x= -7
y=15,5