Solve the equation and verify the result
(i)4(2x-3) +5(3x-4) = 14
(ii)2y/3-y/6 = 1/2
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To solve :
- (i)4(2x-3) +5(3x-4) = 14
Solution :
4(2x - 3) + 5(3x - 4) = 14
→ 8x - 12 + 15x - 20 = 14
→ 8x + 15x - 32 = 14
→ 23x - 32 = 14
→ 23x = 14 + 32
→ 23x = 46
→ x = 46/23
→ x = 2
∴ Required answer :
- x = 2
Verification :
4(2x - 3) + 5(3x - 4) = 14
→ 8x - 12 + 15x - 20 = 14
→ 8(2) - 12 + 15(2) - 20 = 14
→ 16 - 12 + 30 - 20 = 14
→ 4 + 10 = 14
→ 14 = 14
- Hence Verified.
To solve :
- (ii)2y/3 - y/6 = 1/2
Solution :
2y/3 - y/6 = 1/2
→ 4y - y/6 = 1/2
→ 3y/6 = 1/2
→ y/2 = 1/2
→ y = 1/2 × 2
→ y = 1
∴ Required answer :
- y = 1
Verification :
2(1)/3 - 1/6 = 1/2
→ 2/3 - 1/6 = 1/2
→ 4 - 1/6 = 1/2
→ 3/6 = 1/2
→ 1/2 = 1/2
- Hence Verified.
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