solve 3x+2y=11 ;2x+3y=4 then find p = 8x+5y
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Step-by-step explanation:
3x + 2y=11_____(1) ×2
2x + 3y =4_____(2)×3
We have 6x +4y =22
6x +9y =12
By subtracting these equations we have
- 5y= 10
Y= - 2
Subsitute y value in equation (1)
3x + 2( -2) =11
3x = 15
X =5
P = 8x + 5y
P= 8(5) + 5( -2) =40 -10 = 30
chandrakala97:
which one means
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Hope it will help you.....
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