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4x + 3 (X + 2) …

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4x + 3 (X + 2) = 20 - (3x - 6)

Posted by Anshi Shukla 2 years, 4 months ago

CBSE > Class 07 > Mathematics

2 answers

Hritwik R. Gunaga 2 years, 4 months ago

4x + 3 (X + 2) = 20 - (3x - 6) =4x + 3x + 6 = 20 - 3x - 6 =7x + 6 = 20 - 3x - 6 =7x + 3x = 20 - 6 - 6 =10x = 8 =1x = 8/10 =1x = 0.8 Verification (4 × 0.8) + 3 (0.8 + 2) = 20 - [(3 × 0.8) - 6 = 3.2 + (3 × 2.8) - 6 = 20 - 2.4 - 6 =3.2 + 8.4 = 17.6 - 6 = 11.6 = 11.6 LHS = RHS

Hritwik R. Gunaga 2 years, 4 months ago

4x + 3 (X + 2) = 20 - (3x - 6) =4x + 3x + 6 = 20 - 3x - 6 =7x + 6 = 20 - 3x - 6 =7x + 3x = 20 - 6 - 6 =10x = 8 =1x = 8/10 =1x = 0.8 Verification (4 × 0.8) + 3 (0.8 + 2) = 20 - [(3 × 0.8) - 6 = 3.2 + (3 × 2.8) = 20 - 2.4 - 6 =3.2 + 8.4 = 17.6 - 6 = 11.6 = 11.6

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