1.2z + 11 = -2 2. 8 - 4x = 6 3. 3a - 2 = -a + 18 4. 3 - x = x -3 dengan caranya !
Matematika
barnabassetiawan
Pertanyaan
1.2z + 11 = -2
2. 8 - 4x = 6
3. 3a - 2 = -a + 18
4. 3 - x = x -3
dengan caranya !
2. 8 - 4x = 6
3. 3a - 2 = -a + 18
4. 3 - x = x -3
dengan caranya !
1 Jawaban
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1. Jawaban fitrisuci717
2z + 11 = -2
2z = -2 -11
2z = -13
z = -13/2
8 - 4x = 6
-4x = 6 - 8
-4x = -2
x = 2
3a - 2 = -a + 18
3a + a = 18 + 2
4a = 20
a = 5
3 - x = x - 3
-x - x = -3 -3
-2x = -6
x = 3