You'd have to turn it into slope-intercept form. To do this you subtract 2x from both sides then divide -3 on both sides:
2x - 3y = 43
2x - 3y -2x = 43 -2x
-3y = -2x + 43
-3y/-3 = -2x/-3 + 43/-3
y = 2/3x - 43/3
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The y intercept would be - 43/3 and the slope is 2/3.