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2)n=-7
3)-x=5
4)-x=-14
5) x=-26
srry kalo salah
-5y + 4y = 9 - 6
-y = 3
y = 3/-1
y = -3
2. 7n + 4 = 4n - 17
7n - 4n= -17 - 4
3n = -21
n = -21/3
n = -7
3. 2(5 - 2x) = 3(5 - x)
10 - 4x = 15 - 3x
-4x + 3x = 15 - 10
x = 5
4. -2x + 5 = -(x + 9)
-2x + 5 = -x - 9
-2x + x = -9 - 5
-x = -14
x = -14/-1
x = 14
5. 18 + 7x = 2(3x - 4)
18 + 7x = 6x - 8
7x - 6x = -8 - 18
x = -26
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