tentukan penyelesaian dari: 1.) 7x - 8 = 48 2.) -8x + 5 = -115 3.)28 - 2x = 40
Matematika
murmur1508
Pertanyaan
tentukan penyelesaian dari:
1.) 7x - 8 = 48
2.) -8x + 5 = -115
3.)28 - 2x = 40
1.) 7x - 8 = 48
2.) -8x + 5 = -115
3.)28 - 2x = 40
2 Jawaban
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1. Jawaban ShalsabilaPutri11
1 .. 7x - 8 = 48
7x=48+8
7x=56
x=56/7
x=6
2.. -8x + 5 = -115
-8x = -115-5
-8x = -120
x = -120/-8
x = 15
3 .. 28-2x=40
-2x=40-28
-2x=12
-x=12/2
-x=6
x=-6
semoga membantu -
2. Jawaban AdnanJafar
7x - 8 = 48
7x = 48+8=56
x = 56/7=8
-8x + 5 = -115
-8x=-115-5
-8x=-120
x=-120/-8=15
28 - 2x = 40
x=-6
kasih bintang ya