4x+3y+5=0 ,6x=8-5y and if (a,4) is the solution, find a
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Step-by-step explanation:
4x + 3y + 5 = 0
→ 4x + 3y = 0 - 5 ( transposed 5 to RHS)
→ 7xy = -5
→ xy = -5/7 ( ans )
6x = 8 - 5y
→ 6x + 5y = 8
→ xy = 8 ( ans)
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