elephant2001 elephant2001

03-11-2016
Mathematics

contestada

What is the value of x in the equation 3x – 4y = 65, when y = 4?

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texaschic101 texaschic101

03-11-2016

so we r gonna sub in 4 for y and solve for x

3x - 4y = 65
3x - 4(4) = 65
3x - 16 = 65
3x = 65 + 16
3x = 81
x = 81/3
x = 27...so when y = 4, x = 27

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