tolong jawabin ya no 5,6,7
Matematika
raena12
Pertanyaan
tolong jawabin ya no 5,6,7
1 Jawaban
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1. Jawaban marwah91
5. 3x - 4 = 2x + 7
3x - 2x = 7 + 4
x = 11
6.-3x + 5 = x - 7
-3x - x = -7 - 5
-4x = -12
x = -12/-4= 3,,, maka x + 8 = 3 +8= 11
x =