Question 994463
How do I solve:  y=x-3
                 Y=-3/4x + 4
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Sub for y
x-3 = -3/4x + 4
Assuming you mean (-3/4)x:
Multiply thru by 4 to eliminate fractions.
4x-12 = -3x + 16
7x = 28
x = 4
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y = x-3
y = 1