solve the equation
6. 2(3y - 2) - 4(2y - 5) = 9
7. 5(3-x) + 1 = 3(x +4)
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6y-4-8y+20=9
-2y+16=9
-2y=9-16
-2y=-7
y=7/2
15-5x+1=3x+12
16-12=3x+5x
4=8x
x=1/2
-2y+16=9
-2y=9-16
-2y=-7
y=7/2
15-5x+1=3x+12
16-12=3x+5x
4=8x
x=1/2
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