Penjelasan dengan langkah-langkah:
(6x + 2) + (2x - 9)
8x - 7 (A)
12 × 4/3a
16a (A)
-5x + 10 + 3x - 9
-2x + 1 (A)
1). (6x + 2) + (2x - 9)
= (6x + 2x) + (-9 + 2)
= 8x + (-7)
= 8x - 7
================
2). 12× 4/3a
= 48/3a
= 16a
3). -5x + 10 + 3x - 9
= (-5x + 3x) + (10 - 9)
= -2x + 1
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Penjelasan dengan langkah-langkah:
(6x + 2) + (2x - 9)
8x - 7 (A)
12 × 4/3a
16a (A)
-5x + 10 + 3x - 9
-2x + 1 (A)
1). (6x + 2) + (2x - 9)
= (6x + 2x) + (-9 + 2)
= 8x + (-7)
= 8x - 7
================
2). 12× 4/3a
= 48/3a
= 16a
================
3). -5x + 10 + 3x - 9
= (-5x + 3x) + (10 - 9)
= -2x + 1