express the following equations in the form of a x + B y + c =0 and and find the value of y if x =2 in such case a) 4x- y= 2x-2 b) 5x=6y
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Step-by-step explanation:
a) 4x - y = 2x - 2
4x - 2x - y + 2 = 0
2x - y + 2 = 0
if x = 2
2x - y + 2 = 0
2(2) - y + 2 = 0
4 - y + 2 = 0
6 - y = 0
6 = y
y = 6
b) 5x = 6y
5x - 6y + 0 = 0
if x = 2
5x - 6y + 0 = 0
5(2) - 6y + 0 = 0
10 - 6y + 0 = 0
10 - 6y = 0
10 = 6y
y = 10/6
y = 5/3
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