3 x 3 + 4 x 8 = 9 + 32 ...
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(1, 1)
3x+4y = 4 4y = -3x+4 y = -3/4x+1 So the slope is -3/4 and the intercept is 1
3x + 4y = 12 Subtract 3x from each side 4y = 12 - 3x Divide by 4 on each side y = 3 - .75x The slope is what is multiplied by "x" or -.75
Multiply the first equation by -3
If: 3x+4y = 4 Then: y = -3/4x+1 and so the slope is -3/4 or -0.75 with a y intercept of 1