Kennyhaert Kennyhaert

03-09-2021
Mathematics

contestada

evaluate the expression 2(4y+5y)if x=2 and y=1

plsss answer

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DᴀʀᴋPᴀʀᴀᴅᴏx DᴀʀᴋPᴀʀᴀᴅᴏx

03-09-2021

[tex]\large \mathfrak{Solution : }[/tex]

let's solve for y :

[tex]2(4y + 5y)[/tex]

[tex]2(9y)[/tex]

[tex]18y[/tex]

[tex]18 \times 1 \: \: \: \: \: (since, \: \: y = 1)[/tex]

[tex]18[/tex]

therefore, the value of above expression is 18 .

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