x-intercept of y equals -4x plus 4
y = -4x + 4
0 = -4x + 4
-4 = -4x
1 = x
So 1 is the x-intercept
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You need to organise your question properly. 3x+2y=4 4x + 3y= 7? Is 4 4x = 44x or 4-4x or 4+4x How can there be 2 equal signs in 1 equation?
8x + 12 = 4x - 4 8x - 4x = -4 - 12 4x = -16 x = -4
-8x + 4 = -4x; (-8+4)x = -4; x = 1.
4
4x+9=25 4x=16 x=4