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erikamara
@erikamara
July 2022
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2/3(2x+1)-0,5(x/2+1)=8
2/3 e x/2 são frações
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3478elc
Verified answer
2/3(2x+1)-0,5(x/2+1)=8 2(2x+1) - 5 (x + 1) = 8
3 10 2
4x + 1 - 5x - 5 = 8 ==> 20(x+1) - 15x - 30 = 480
3 20 10
20x + 20 - 15x - 30 = 480 ==> 5x= 480+10 ==> 5x=490==> x =98
2/3 e x/2 são frações
2 = x
3 2
3x = 4 ==> 3x = 4 ==> x = 4/3
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Verified answer
2/3(2x+1)-0,5(x/2+1)=8 2(2x+1) - 5 (x + 1) = 8
3 10 2
4x + 1 - 5x - 5 = 8 ==> 20(x+1) - 15x - 30 = 480
3 20 10
20x + 20 - 15x - 30 = 480 ==> 5x= 480+10 ==> 5x=490==> x =98
2/3 e x/2 são frações
2 = x
3 2
3x = 4 ==> 3x = 4 ==> x = 4/3