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4x-2x=-9-5
2x=-14
x=-14/2
x=-7
Jadi, nilai x adalah -7
4x - 2x + 5 = 2x - 2x - 9
2x + 5 = -9
2x + 5 - 5 = -9 -5
2x = -14
x = -14÷2
x = -7
Semoga membantu..