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ICSE Class 9 Answered

3x + 4y =10 and 2x - 2y = 2
Asked by sannidhraj2004 | 16 Sep, 2020, 11:15: AM
answered-by-expert Expert Answer
3x + 4y =10 ....(i)
 2x - 2y  = 2  ....(ii)
 
Multiply (ii) by 2, we get
 
4x - 4y = 4   ...(iii)
 
Adding (i) and (iii), we get
 
7x = 14
→ x = 2
 
From (ii), y = 1
Answered by Yasmeen Khan | 16 Sep, 2020, 12:35: PM

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