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ICSE Class 9 Answered

1. 8x+5y=9   3x+2y=4    linear equation
Asked by kcbhuvan94 | 23 Sep, 2020, 03:35: PM
answered-by-expert Expert Answer

8x+5y=9  .... 2(8x + 5y = 9)→ 16x + 10y = 18 ....(1)

3x+2y=4   .... 5(3x +2y = 4)  →  15x + 10y = 20 ...(2)

Subtracting (2) from (1), we get

x = -2

In equation (1), put x = -2, we get

y = 5

Answered by Yasmeen Khan | 23 Sep, 2020, 04:36: PM

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