If: 4x = 5y Then: x = 5y/4
x=18
If: y = x -2 and 7y -4x = 10 Then: x = 8 and y = 6
x=19
4x=3x+1 => (4x-3x)=1 => x=1 therefore the value of x is 1.
y = 100 - 4x ( a ) Find the value of y when x = 20.
4x + 9 = 254x = 25 - 94 x = 16x= 16/4x= 4
27
x= -6
x would be 5.
x = -6
x = 3.75