jika 2x + 7 = 3(x-10), nilai 4x-10 adalah....
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Pertanyaan
jika 2x + 7 = 3(x-10), nilai 4x-10 adalah....
1 Jawaban
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1. Jawaban rinajuniw
2x+7 = 3(x-10)
2x+7 = 3x-30
2x-3x = -30-7
-x = -37
x = 37
4x-10 = 4(37)-10
= 148-10
= 138