tentukan nilai 2(x+3)+7(x-3)=5(x1)=
Matematika
jeffrypangestu
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tentukan nilai 2(x+3)+7(x-3)=5(x1)=
1 Jawaban
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1. Jawaban elmaulana
Answer :
2 (t +3 ) + 7 (t - 3) = 5 (t -1 )
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2t + 6 + 7t - 21 = 5t - 5
2t + 7t + 6 - 21 = 5t - 5
9t - 15 = 5t - 5
4t - 15 = - 5
4t = -5 + 15
4t = 10
t = 10/4
t = 5/2
Alaikummussalam.