carilah nilai x 1. 2x +4= -(3x - 1) 2. -x - 5 = 3x + 4 3. 1/2x + 3 = x+2 4. 2x-1/4 = 1/x+1

Materi : Persamaan Linear

Pembahasan :
2x + 4 = -(3x - 1)
2x + 4 = -3x + 1
2x + 3x = 1 - 4
5x = -3
x = -3/5

Hp : {-3/5}

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-x - 5 = 3x + 4
3x + x = -5 - 4
4x = -9
x = -9/4

Hp : {-9/4}

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1/2x + 3 = x + 2
x + 6 = 2x + 4
2x - x = 6 - 4
x = 2

Hp : {2}

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