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07-01-2020
Mathematics

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Is y = 3/2x +5/4 and -2x+8y=-25 a solution

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Stefanisaska Stefanisaska

07-01-2020

Answer: x=-35/10

y=-4

Step-by-step explanation:

y = 3/2x +5/4

-2x+8y=-25

--------------------

replace y in second equation with: y = 3/2x +5/4

-2x+8(3/2x+5/4)= -25

-2x+12x+10= -25

10x=-35

x=-35/10

x=-3.5

7+8y= -25

8y=-32

y=-4

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